Spring green is a

color Color (American English) or colour (British English) is the visual perceptual property deriving from the spectrum of light interacting with the photoreceptor cells of the eyes. Color categories and physical specifications of color are associ ...

that was traditionally considered to be on the

yellow Yellow is the color between green and orange on the spectrum of light. It is evoked by light with a dominant wavelength of roughly 575585 nm. It is a primary color in subtractive color systems, used in painting or color printing. In th ...

side of

green Green is the color between cyan and yellow on the visible spectrum. It is evoked by light which has a dominant wavelength of roughly 495570 nm. In subtractive color systems, used in painting and color printing, it is created by a combin ...

, but in modern computer systems based on the

RGB color model The RGB color model is an additive color model in which the red, green and blue primary colors of light are added together in various ways to reproduce a broad array of colors. The name of the model comes from the initials of the three ad ...

is halfway between

cyan Cyan () is the color between green and blue on the visible spectrum of light. It is evoked by light with a predominant wavelength between 490 and 520 nm, between the wavelengths of green and blue. In the subtractive color system, or CMYK col ...

and green on the

color wheel A color wheel or color circle is an abstract illustrative organization of color hues around a circle, which shows the relationships between primary colors, secondary colors, tertiary colors etc. Some sources use the terms ''color wheel'' ...

. The modern spring green, when plotted on the

CIE chromaticity diagram The CIE 1931 color spaces are the first defined quantitative links between distributions of wavelengths in the electromagnetic visible spectrum, and physiologically perceived colors in human color vision. The mathematical relationships that defi ...

, corresponds to a visual stimulus of about 505

nanometer 330px, Different lengths as in respect to the molecular scale. The nanometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American and British English spelling differences#-re, ...

s on the

visible spectrum The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called '' visible light'' or simply light. A typical human eye will respond to ...

. In

HSV color space HSL (for hue, saturation, lightness) and HSV (for hue, saturation, value; also known as HSB, for hue, saturation, brightness) are alternative representations of the RGB color model, RGB color model, designed in the 1970s by computer graphics res ...

, the expression of which is known as the RGB color wheel, ''spring green'' has a

hue In color theory, hue is one of the main properties (called color appearance parameters) of a color, defined technically in the CIECAM02 model as "the degree to which a stimulus can be described as similar to or different from stimuli that ...

of 150°. Spring green is one of the

tertiary color A tertiary color or intermediate color is a color made by mixing full saturation of one primary color with half saturation of another primary color and none of a third primary color, in a given color space such as RGB, CMYK (more modern) or RYB ...

s on the RGB color wheel, where it is the

complementary color Complementary colors are pairs of colors which, when combined or mixed, cancel each other out (lose hue) by producing a grayscale color like white or black. When placed next to each other, they create the strongest contrast for those t ...

rose A rose is either a woody perennial flowering plant of the genus ''Rosa'' (), in the family Rosaceae (), or the flower it bears. There are over three hundred species and tens of thousands of cultivars. They form a group of plants that can be ...

. The first recorded use of ''spring green'' as a color name in English was in 1766, referring to roughly the color we now call ''spring bud''.

Spring green (computer)

Spring green (HTML)

''Spring green'' is a

web color Web colors are colors used in displaying web pages on the World Wide Web, and the methods for describing and specifying those colors. Colors may be specified as an RGB triplet or in hexadecimal format (a ''hex triplet'') or according to their c ...

, common to X11 and HTML.

Medium spring green

Displayed at right is the color medium spring green. ''Medium spring green'' is a web color. It is close to but not right on the color wheel and it is a little closer to cyan than to green.

Dark spring green

At right is displayed the web color dark spring green.

Additional variations of web spring green

Mint cream

Displayed at right is the web color mint cream, a pale pastel

tint In color theory, a tint is a mixture of a color with white, which increases lightness, while a shade is a mixture with black, which increases darkness. Both processes affect the resulting color mixture's relative saturation. A tone is produce ...

of spring green. The color ''mint cream'' is a representation of the color of the interior of an after dinner mint (which is disc shaped with mint flavored buttercream on the inside and a

chocolate Chocolate is a food made from roasted and ground cacao seed kernels that is available as a liquid, solid, or paste, either on its own or as a flavoring agent in other foods. Cacao has been consumed in some form since at least the Olmec ci ...

coating on the outside).

Sea green

Sea green is a shade of

color that resembles the hue of shallow

seawater Seawater, or salt water, is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of about 3.5% (35 g/L, 35 ppt, 600 mM). This means that every kilogram (roughly one liter by volume) of seawater has appro ...

as seen from the surface. ''Sea green'' is notable for being the emblematic color of the Levellers party in the politics of 1640s England. Leveller supporters would wear a sea-green ribbon, in a similar manner to the present-day red

AIDS Human immunodeficiency virus infection and acquired immunodeficiency syndrome (HIV/AIDS) is a spectrum of conditions caused by infection with the human immunodeficiency virus (HIV), a retrovirus. Following initial infection an individual ma ...

awareness ribbon.

Medium sea green

At right is displayed the web color medium sea green, a medium shade of spring green.

Aquamarine

Aquamarine is a color that is a pale bright

of spring green toned toward cyan. It represents the color of the aquamarine gemstone. Aquamarine is the

birthstone A birthstone is a gemstone that represents a person's period of birth that is usually the month or zodiac sign. Birthstones are often worn as jewelry or as a pendant necklace. History of birthstones Western custom The first century historian ...

for those born on January 21 to February 20 in tropical zodiac, and February 14 to March 15 in sidereal zodiac.

Spring green (traditional)

Spring bud

Spring bud is the

that used to be called ''spring green'' before the

X11 The X Window System (X11, or simply X) is a windowing system for bitmap displays, common on Unix-like operating systems. X provides the basic framework for a GUI environment: drawing and moving windows on the display device and interacting wi ...

spring green was formulated in 1987 when the X11 colors were first promulgated. This color is now called ''spring bud'' to avoid confusion with the web color. The color is also called soft spring green, spring green (traditional), or spring green (M&P). The first recorded use of ''spring green'' as a color name in English (meaning the color that is now called ''spring bud'') was in 1766.

Additional variations of traditional spring green

Emerald

''Emerald'', also called ''emerald green'', is a tone of green that is particularly light and bright, with a faint bluish cast. The name derives from the typical appearance of the

emerald Emerald is a gemstone and a variety of the mineral beryl (Be3Al2(SiO3)6) colored green by trace amounts of chromium or sometimes vanadium.Hurlbut, Cornelius S. Jr. and Kammerling, Robert C. (1991) ''Gemology'', John Wiley & Sons, New York, p ...

gemstone A gemstone (also called a fine gem, jewel, precious stone, or semiprecious stone) is a piece of mineral crystal which, in cut and polished form, is used to make jewelry or other adornments. However, certain rocks (such as lapis lazuli, opal, ...

. The first recorded use of ''emerald'' as a color name in English was in 1598. Ireland is sometimes referred to as the ''Emerald Isle'' due to its lush greenery. The May birthstone is emerald. Seattle is sometimes referred to as the ''Emerald City'', because its abundant rainfall creates lush vegetation. In the

Middle Ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire ...

, ''The

Emerald Tablet The ''Emerald Tablet'', also known as the ''Smaragdine Tablet'' or the ''Tabula Smaragdina'' (Latin, from the Arabic: , ''Lawḥ al-zumurrudh''), is a compact and cryptic Hermetic text. It was highly regarded by Islamic and European alchemists ...

Hermes Trismegistus Hermes Trismegistus (from grc, Ἑρμῆς ὁ Τρισμέγιστος, "Hermes the Thrice-Greatest"; Classical Latin: la, label=none, Mercurius ter Maximus) is a legendary Hellenistic figure that originated as a syncretic combination of ...

'' was believed to contain the secrets of

alchemy Alchemy (from Arabic: ''al-kīmiyā''; from Ancient Greek: χυμεία, ''khumeía'') is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practiced in China, India, the Muslim wo ...

. "Emerald City", from the story of ''

The Wonderful Wizard of Oz ''The Wonderful Wizard of Oz'' is a children's novel written by author L. Frank Baum and illustrated by W. W. Denslow. It is the first novel in the Oz series of books. A Kansas farm girl named Dorothy ends up in the magical Land of Oz afte ...

'', by L. Frank Baum, is a city where everything from food to people are emerald green. However, it is revealed at the end of the story that everything in the city is normal colored, but the glasses everyone wears are emerald tinted. The

Green Zone The Green Zone ( ar, المنطقة الخضراء, translit=al-minṭaqah al-ḫaḍrā) is the most common name for the International Zone of Baghdad. It was a area in the Karkh district of central Baghdad, Iraq, that was the governmental ...

in Baghdad is sometimes ironically and cynically referred to as the ''Emerald City''. The ''

Emerald Buddha The Emerald Buddha ( th, พระแก้วมรกต , or ) is an image of the meditating Gautama Buddha seated in a meditative posture, made of a semi-precious green stone (jasper rather than emerald or jade), clothed in gold. and about ...

'' is a figurine of the sitting Buddha, made of green

jade Jade is a mineral used as jewellery or for ornaments. It is typically green, although may be yellow or white. Jade can refer to either of two different silicate minerals: nephrite (a silicate of calcium and magnesium in the amphibole group ...

(rather than emerald), clothed in gold, and about 45 cm tall. It is kept in the ''Chapel of the Emerald Buddha'' (

Wat Phra Kaew Wat Phra Kaew ( th, วัดพระแก้ว, , ), commonly known in English as the Temple of the Emerald Buddha and officially as Wat Phra Si Rattana Satsadaram, is regarded as the most sacred Buddhist temple in Thailand. The complex c ...

) on the grounds of the

Grand Palace The Grand Palace ( th, พระบรมมหาราชวัง, Royal Institute of Thailand. (2011). ''How to read and how to write.'' (20th Edition). Bangkok: Royal Institute of Thailand. .) is a complex of buildings at the heart of Ba ...

in Bangkok. The

Emerald Triangle The Emerald Triangle is a region in Northern California, named as such due to it being the largest cannabis-producing region in the United States. The region includes three counties in an upside-down triangular configuration: * Humboldt County, ...

refers to the three counties of Mendocino, Humboldt, and

Trinity The Christian doctrine of the Trinity (, from 'threefold') is the central dogma concerning the nature of God in most Christian churches, which defines one God existing in three coequal, coeternal, consubstantial divine persons: God th ...

in Northern California, United States because these three counties are the biggest

marijuana Cannabis, also known as marijuana among other names, is a psychoactive drug from the cannabis plant. Native to Central or South Asia, the cannabis plant has been used as a drug for both recreational and entheogenic purposes and in various t ...

producing counties in California and also the US. A county-commissioned study reports pot accounts for up to two-thirds of the economy of Mendocino. ''Emerald Cities: Urban Sustainability and Economic Development'' is a book published in 2010 by Joan Fitzgerald, director of the law, policy and society program at

Northeastern University Northeastern University (NU) is a private research university with its main campus in Boston. Established in 1898, the university offers undergraduate and graduate programs on its main campus as well as satellite campuses in Charlotte, North Ca ...

, about

ecologically sustainable Ecologically sustainable development is the environmental component of sustainable development. It can be achieved partially through the use of the precautionary principle; if there are threats of serious or irreversible environmental damage, lack o ...

city planning Urban planning, also known as town planning, city planning, regional planning, or rural planning, is a technical and political process that is focused on the development and design of land use and the built environment, including air, water, ...

. Emerald was invented in Germany in 1814. By taking acetic acid, mixing and boiling it with vinegar, and then by adding some arsenic, a bright blue-green hue was formed. During the 19th century, the arsenic-containing dye Paris green was marketed as emerald green. It was notorious for causing deaths due to it being a popular color used for wallpaper. Victorian women used this bright color for dresses, and florists used it on fake flowers.

Viridian

At right is displayed the color viridian, a medium tone of spring green. The first recorded use of viridian as a color name in English was in the 1860s (exact year uncertain).

Other variations of spring green

Green (CMYK) (pigment green)

The color defined as ''green'' in the

CMYK The CMYK color model (also known as process color, or four color) is a subtractive color model, based on the CMY color model, used in color printing, and is also used to describe the printing process itself. The abbreviation ''CMYK'' refers ...

color system used in

printing Printing is a process for mass reproducing text and images using a master form or template. The earliest non-paper products involving printing include cylinder seals and objects such as the Cyrus Cylinder and the Cylinders of Nabonidus. The ...

, also known as ''pigment green'', is the tone of green that is achieved by mixing process (printer's) cyan and process (printer's) yellow in equal proportions. It is displayed at right. SubtractiveColor

The purpose of the CMYK color system is to provide the maximum possible gamut of color reproducible in printing. The color indicated is only approximate as the colors of printing inks may vary.

Green (NCS) (psychological primary green)

The color defined as ''green'' in the NCS or

Natural Color System The Natural Color System (NCS) is a proprietary perceptual color model. It is based on the color opponency hypothesis of color vision, first proposed by German physiologist Ewald Hering. The current version of the NCS was developed by the ...

is shown at right (NCS 2060-G). The natural color system is a color system based on the four

unique hues Unique hue is a term used in certain theories of color vision, which implies that human perception distinguishes between "unique" (psychologically primary) and composite (mixed) hues. A unique hue is defined as a color which an observer perceiv ...

psychological primary color A set of primary colors or primary colours (see spelling differences) consists of colorants or colored lights that can be mixed in varying amounts to produce a gamut of colors. This is the essential method used to create the perception of a b ...

s red, yellow, green, and blue. The NCS is based on the

opponent process The opponent process is a color theory that states that the human visual system interprets information about color by processing signals from photoreceptor cells in an antagonistic manner. The opponent-process theory suggests that there are thr ...

theory of vision. Opponent colors

The Natural Color System is widely used in

Scandinavia Scandinavia; Sámi languages: /. ( ) is a subregion in Northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. In English usage, ''Scandinavia'' most commonly refers to Denmark, Norway, and S ...

Green (Munsell)

The color defined as ''green'' in the

Munsell color system In colorimetry, the Munsell color system is a color space that specifies colors based on three properties of color: hue (basic color), chroma (color intensity), and value (lightness). It was created by Professor Albert H. Munsell in the firs ...

(Munsell 5G) is shown at right. The Munsell color system is a

color space A color space is a specific organization of colors. In combination with color profiling supported by various physical devices, it supports reproducible representations of colorwhether such representation entails an analog or a digital represen ...

that specifies colors based on three color dimensions: hue, value (

lightness Lightness is a visual perception of the luminance (L) of an object. It is often judged relative to a similarly lit object. In colorimetry and color appearance models, lightness is a prediction of how an illuminated color will appear to a stan ...

), and chroma (color purity), spaced uniformly in three dimensions in the elongated oval at an angle shaped Munsell

color solid A color solid is the three-dimensional representation of a color model, an analog of the two-dimensional color wheel. The added spatial dimension allows a color solid to depict an added dimension of color variation. Whereas a two-dimensional ...

according to the

logarithmic scale A logarithmic scale (or log scale) is a way of displaying numerical data over a very wide range of values in a compact way—typically the largest numbers in the data are hundreds or even thousands of times larger than the smallest numbers. Such a ...

which governs human perception. In order for all the colors to be spaced uniformly, it was found necessary to use a color wheel with five primary colors—red, yellow, green, blue, and purple. MunsellColorWheel

The Munsell colors displayed are only approximate as they have been adjusted to fit into the sRGB gamut.

Green (Pantone)

''Green (Pantone)'' is the color that is called ''green'' in

Pantone Pantone LLC (stylized as PANTONE) is a limited liability company headquartered in Carlstadt, New Jersey. The company is best known for its Pantone Matching System (PMS), a proprietary color space used in a variety of industries, notably graphi ...

. The source of this color is the "Pantone Textile Paper eXtended (TPX)" color list, color # green C, EC, HC, PC, U, or UP—green.

Green (Crayola)

''Green (Crayola)'' is the color called ''green'' in Crayola crayons. Green was one of the original Crayola crayons introduced in 1903.

Erin

At the right is displayed the color erin. The first recorded use of ''erin'' as a color name was in 1922.

Bright mint

Displayed at right is the color ''bright mint''.

Dark green

''Dark green'' is a dark shade of green. A different shade of green has been designated as " dark green (X11)" for certain computer uses.

Dark pastel green

To the right is the color dark pastel green.

Screamin' green

The color ''screamin' green'' is shown at right. This color was renamed from ''ultra green'' by Crayola in 1990. This color is a

fluorescent Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation. It is a form of luminescence. In most cases, the emitted light has a longer wavelength, and therefore a lower photon energy, ...

color.

Cambridge blue

Cambridge blue is the color commonly used by sports teams from

Cambridge University , mottoeng = Literal: From here, light and sacred draughts. Non literal: From this place, we gain enlightenment and precious knowledge. , established = , other_name = The Chancellor, Masters and Schola ...

. This color is actually a medium tone of ''spring green''. Spring green colors are colors with an h code (hue code) of between 135 and 165; this color has an h code of 140, putting it within the range of spring green colors on the RGB color wheel.

Caribbean green

At right is displayed the color Caribbean green. This is a

Crayola Crayola LLC, formerly the Binney & Smith Company, is an American manufacturing company specializing in art supplies. It is known for its brand ''Crayola'' and best known for its crayons. The company is headquartered in Forks Township, Pennsylva ...

color formulated in 1997.

Magic mint

At right is displayed the color magic mint, a light tint of spring green. The color ''magic mint'' is a light tint of the color

mint MiNT is Now TOS (MiNT) is a free software alternative operating system kernel for the Atari ST system and its successors. It is a multi-tasking alternative to TOS and MagiC. Together with the free system components fVDI device drivers, XaAE ...

Ceramic tile A ceramic is any of the various hard, brittle, heat-resistant and corrosion-resistant materials made by shaping and then firing an inorganic, nonmetallic material, such as clay, at a high temperature. Common examples are earthenware, porcelain, ...

s in a similar color, often with a contrasting black border, were a popular choice for

bathroom A bathroom or washroom is a room, typically in a home or other residential building, that contains either a bathtub or a shower (or both). The inclusion of a wash basin is common. In some parts of the world e.g. India, a toilet is typically ...

kitchen A kitchen is a room or part of a room used for cooking and food preparation in a dwelling or in a commercial establishment. A modern middle-class residential kitchen is typically equipped with a stove, a sink with hot and cold running wate ...

and upmarket

hotel A hotel is an establishment that provides paid lodging on a short-term basis. Facilities provided inside a hotel room may range from a modest-quality mattress in a small room to large suites with bigger, higher-quality beds, a dresser, a re ...

swimming pool A swimming pool, swimming bath, wading pool, paddling pool, or simply pool, is a structure designed to hold water to enable Human swimming, swimming or other leisure activities. Pools can be built into the ground (in-ground pools) or built ...

décor during the 1930s. This is a

color formulated in 1990 (later retired in 2003).

Mint

The color mint, also known as mint leaf, is a representation of the color of

The first recorded use of ''mint'' as a color name in English was in 1920.

Mountain meadow

Displayed at right is the color mountain meadow. ''Mountain meadow'' is a

crayon color formulated in 1998.

Persian green

Persian green is a

used in

pottery Pottery is the process and the products of forming vessels and other objects with clay and other ceramic materials, which are fired at high temperatures to give them a hard and durable form. Major types include earthenware, stoneware and ...

and

Persian carpet A Persian carpet ( fa, فرش ایرانی, translit=farš-e irâni ) or Persian rug ( fa, قالی ایرانی, translit=qâli-ye irâni ),Savory, R., ''Carpets'',(Encyclopaedia Iranica); accessed January 30, 2007. also known as Iranian ...

s in

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...

Malachite polie (République démocratique du Congo)

Other colors associated with Persia include Persian red and Persian blue. The color ''Persian green'' is named from the green color of some Persian pottery and is a representation of the color of the mineral

malachite Malachite is a copper carbonate hydroxide mineral, with the formula Cu2CO3(OH)2. This opaque, green-banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses, in fracture ...

. It is a popular color in

because the color green symbolizes gardens, nature, heaven, and sanctity. The first recorded use of ''Persian green'' as a color name in English was in 1892.

Sea foam green

This is the Crayola version of the above color, a much brighter and lighter shade. It was introduced in 2001.

Shamrock green (Irish green)

''Shamrock green'' is a tone of green that represents the color of

shamrock A shamrock is a young sprigging, sprig, used as a symbol of Ireland. Saint Patrick, Ireland's patron saint, is said to have Saint Patrick#Patrick uses shamrock in an illustrative parable, used it as a metaphor for the Christian Holy Trinity ...

s, a symbol of Ireland. Shamrock leaves

The first recorded use of ''shamrock'' as a color name in English was in the 1820s (exact year uncertain). This green is also defined as ''Irish green''

347. This green is used as the green on the

national flag A national flag is a flag that represents and symbolizes a given nation. It is flown by the government of that nation, but usually can also be flown by its citizens. A national flag is typically designed with specific meanings for its colours a ...

of Ireland. It is customary in Ireland, Australia, New Zealand, Canada, and the United States to wear this or any other tone of green on St. Patrick's Day, 17 March. The

State of California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...

uses this shade of green of the grass under the bear on their

state flag In vexillology, a state flag is either the flag of the government of a sovereign state, or the flag of an individual federated state (subnational administrative division). Government flag A state flag is a variant of a national flag (or occasi ...

. The

Boston Celtics The Boston Celtics ( ) are an American professional basketball team based in Boston. The Celtics compete in the National Basketball Association (NBA) as a member of the league's Eastern Conference Atlantic Division. Founded in 1946 as one of t ...

of the

National Basketball Association The National Basketball Association (NBA) is a professional basketball sports league, league in North America. The league is composed of 30 teams (29 in the United States and 1 in Canada) and is one of the major professional sports leagues i ...

use this shade for their uniforms, logos, and other memorabilia.

Sap green

''Sap green'' is a green pigment that was traditionally made of ripe

buckthorn ''Rhamnus'' is a genus of about 110 accepted species of shrubs or small trees, commonly known as buckthorns, in the family Rhamnaceae. Its species range from tall (rarely to ) and are native mainly in east Asia and North America, but found thr ...

berries. However, modern colors marketed under this name are usually a blend of other pigments, commonly with a basis of

Phthalocyanine Green G Phthalocyanine green G, which has many commercial names, is a synthetic green pigment from the group of phthalocyanine dyes, a complex of copper(II) with chlorinated phthalocyanine. It is a soft green powder, which is insoluble in water.. It is ...

. Sap green paint was frequently used on

Bob Ross Robert Norman Ross (October 29, 1942 – July 4, 1995) was an American painter, art instructor, and television host. He was the creator and host of '' The Joy of Painting'', an instructional television program that aired from 1983 to 1994 on ...

TV show A television show – or simply TV show – is any content produced for viewing on a television set which can be broadcast via over-the-air, satellite, or cable, excluding breaking news, advertisements, or trailers that are typically placed bet ...

, '' The Joy of Painting''.

Jade

''Jade'', also called ''jade green'', is a representation of the color of the

called

, although the stone itself varies widely in hue. Jadestein

The color name ''jade green'' was first used in Spanish in the form ''piedra de ijada'' in 1569. The first recorded use of ''jade green'' as a color name in English was in 1892.

Malachite

''Malachite'', also called ''malachite green'', is a color that is a representation of the color of the mineral

The first recorded use of ''malachite green'' as a color name in English was in the 1200s (exact year uncertain).

Opal

Displayed at right is the color opal. It is a pale shade of cyan that is reminiscent of the color of an

opal Opal is a hydrated amorphous form of silica (SiO2·''n''H2O); its water content may range from 3 to 21% by weight, but is usually between 6 and 10%. Due to its amorphous property, it is classified as a mineraloid, unlike crystalline form ...

gemstone, although as with many gemstones, opals come in a wide variety of colors.

Brunswick green

''Brunswick green'' is a common name for green pigments made from

copper Copper is a chemical element with the symbol Cu (from la, cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pink ...

compounds, although the name has also been used for other formulations that produce a similar hue, such as mixtures of

chrome yellow __NOTOC__ Chrome yellow is a yellow pigment in paints using monoclinic lead(II) chromate (PbCrO4). It occurs naturally as the mineral crocoite but the mineral ore itself was never used as a pigment for paint. After the French chemist Louis Va ...

and Prussian blue. The pigment is named after

Braunschweig Braunschweig () or Brunswick ( , from Low German ''Brunswiek'' , Braunschweig dialect: ''Bronswiek'') is a city in Lower Saxony, Germany, north of the Harz Mountains at the farthest navigable point of the river Oker, which connects it to the ...

, Germany (also known as Brunswick in English) where it was first manufactured. It is a deep, dark green, which may vary from intense to very dark, almost black. The first recorded use of ''Brunswick green'' as a color name in English was in 1764. Another name for this color is ''English green''. The first use of English green as a synonym for Brunswick green was in 1923. ''Deep Brunswick green'' is commonly recognized as part of the

British racing green British racing green, or BRG, is a colour similar to ''Brunswick green'', ''hunter green'', ''forest green'' or '' moss green'' ( RAL 6005). It takes its name from the green international motor racing colour of the United Kingdom. This origina ...

spectrum, the national

auto racing Auto racing (also known as car racing, motor racing, or automobile racing) is a motorsport involving the racing of automobiles for competition. Auto racing has existed since the invention of the automobile. Races of various sorts were organise ...

color of the United Kingdom. A different color, also called ''Brunswick green'', was the color for passenger locomotives of the grouping and then the nationalized

British Railways British Railways (BR), which from 1965 traded as British Rail, was a state-owned company that operated most of the overground rail transport in Great Britain from 1948 to 1997. It was formed from the nationalisation of the Big Four British ...

. There were three shades of these colors and they are defined under British Standard BS381C – 225, BS381C – 226, and BS381C – 227 (ordered from lightest to darkest). The Brunswick green used by the Nationalised British Railways – Western Region for passenger locomotives was BS381C – 227 (rgb(30:62:46)). RAL6005 is a close substitute to BS381C – 227. A characteristic of these colors was the ease for various railway locations to mix them by using whole pots of primary colors – hence the ability to get reasonably consistent colors with manual mixing half a century and more ago. The color used by the

Pennsylvania Railroad The Pennsylvania Railroad (reporting mark PRR), legal name The Pennsylvania Railroad Company also known as the "Pennsy", was an American Class I railroad that was established in 1846 and headquartered in Philadelphia, Pennsylvania. It was named ...

for locomotives was often called ''Brunswick green'', but officially was termed ''dark green locomotive enamel'' (DGLE). This was a shade of green so dark as to be almost black, but which turned greener with age and weathering as the copper compounds further oxidized.

Castleton green

''Castleton green'' is one of the two official colors of

Castleton University Castleton University is a public university in Castleton, Vermont. It has an enrollment of 2000 students and offers more than 30 undergraduate programs, as well as master's degrees in education and accounting. It is accredited by the New England ...

in Vermont. The official college colors are green (PMS 343) and white. The Castleton University Office of Marketing and Communications created the Castleton colors for web and logo development and has technical guidelines, copyright and privacy protection; as well as logos and images that developers are asked to follow in the college's guidelines for using official Castleton logos. If web developers are using green on a university website, they are encouraged to use Castleton green. It is prominently used for representing Castleton's athletic teams, the

Castleton Spartans The Castleton Spartans are the athletic teams that represent Castleton University. The Spartans compete in 28 National Collegiate Athletic Association (NCAA) Division III intercollegiate sports. Sports sponsored NCAA Division III sports M ...

Bottle green

''Bottle green'' is a dark shade of green, similar to pine green. It is a representation of the color of green

glass bottle A glass bottle is a bottle made from glass. Glass bottles can vary in size considerably, but are most commonly found in sizes ranging between about 200 millilitres and 1.5 litres. Common uses for glass bottles include food condiments, soda, liq ...

Dülmen, Alte Brennerei Löhning -- 2015 -- 8677-81

The first recorded use of ''bottle green'' as a color name in English was in 1816. ''Bottle green'' is a color in

Prismacolor Prismacolor is a brand of professional visual arts supplies originated in 1938 by the Eagle Pencil Company (then taken over by Berol), and currently manufactured by Newell Brands. Prismacolor products include, colored and graphite pencils, soft ...

marker and pencil sets. It is also the color of the uniform of the

Police Service of Northern Ireland The Police Service of Northern Ireland (PSNI; ga, Seirbhís Póilíneachta Thuaisceart Éireann; Ulster-Scots: ') is the police force that serves Northern Ireland. It is the successor to the Royal Ulster Constabulary (RUC) after it was reform ...

replacing the

Royal Ulster Constabulary The Royal Ulster Constabulary (RUC) was the police force in Northern Ireland from 1922 to 2001. It was founded on 1 June 1922 as a successor to the Royal Irish Constabulary (RIC)Richard Doherty, ''The Thin Green Line – The History of the Roya ...

's "

rifle green Shades of chartreuse are listed below. Historically, many of these colors have gone under the name of either yellow or green, as the specifics of their color composition was not known until later. Wrapping the spectrum into a color wheel In a ...

" colored uniforms in 2001. It is also the green used in uniforms for

South Sydney High School , motto_translation = Let us be known by our deeds , established = January 1953 , type = Public, co-educational, secondary school , principal = Janice Neilsen , asst principal = , enrolment = 700 - 800 (7–12) , yearbook = The Southern ...

in Sydney. ''Bottle green'' is also the color most associated with guide signs and street name signs in the United States. Bottle green is also the background color of the

Flag of Bangladesh ) , Morenicks = , Use = 111000 , Symbol = , Proportion = 3:5 , Adoption = , Design = A red disc slightly off center to the left defacing a dark green banner. , Designer = Quamrul Hassan , Type = National , I ...

, as defined by the government of Bangladesh.People's Republic of Bangladesh Flag Rules, 1972 (Revised up to 2005)
, Government of Bangladesh, Cabinet Division. Another name for this color is '' Bangladesh green''.

Dartmouth green

''Dartmouth green'' is the official color of

Dartmouth College Dartmouth College (; ) is a private research university in Hanover, New Hampshire. Established in 1769 by Eleazar Wheelock, it is one of the nine colonial colleges chartered before the American Revolution. Although founded to educate Native ...

, adopted in 1866. It was chosen for being the only decent primary color that had not been taken already. It is prominently used as the name of the Dartmouth College athletic team, the

Dartmouth Big Green The Dartmouth College Big Green are the varsity and club athletic teams representing Dartmouth College, an American university located in Hanover, New Hampshire. Dartmouth's teams compete at the National Collegiate Athletic Association (NCAA ...

. The Dartmouth athletic teams adopted this new name after the college officially discontinued the use of its unofficial mascot, the Dartmouth Indian, in 1974. Dartmouth green and white are the main colors of Lithuanian basketball club Žalgiris Kaunas.

GO Transit green

''GO green'' was the color used for the brand of

GO Transit GO Transit is a regional public transit system serving the Greater Golden Horseshoe region of Ontario, Canada. With its hub at Union Station in Toronto, GO Transit's green-and-white trains and buses serve a population of more than seven mil ...

, the regional commuter service in the

Greater Toronto Area The Greater Toronto Area, commonly referred to as the GTA, includes the City of Toronto and the regional municipalities of Durham, Halton, Peel, and York. In total, the region contains 25 urban, suburban, and rural municipalities. The Greater ...

Between 1967 and 2013, the brand and color that has adorned each of its trains, buses, and other property generally remained unchanged. It also matched the shade of green used on signs for highways in Ontario. In July 2013, GO Transit updated its look to a two-tone color scheme.

Gotham green

''Gotham green'' is the official color of the

New York Jets The New York Jets are a professional American football team based in the New York metropolitan area. The Jets compete in the National Football League (NFL) as a member club of the league's American Football Conference (AFC) East division. The ...

as of 4 April 2019. The name is a reference to one of the

Nicknames of New York City During its four-century history, New York (commonly known as New York City) has been known by a variety of alternative names and euphemisms, both officially and unofficially. Frequently shortened to simply "NY" or "NYC", New York is also known as ...

Pakistan green

''Pakistan green'' is a shade of dark green, used in web development and graphic design. It is also the background color of the

national flag of Pakistan The flag of Pakistan ( ur, ) traces its current form back to a meeting of the Constituent Assembly of Pakistan on 11 August 1947, three days before the Partition of British India, when it was adopted by the All-India Muslim League as the offic ...

. It is almost identical to the HTML/

dark green Varieties of the color green may differ in hue, chroma (also called saturation or intensity) or lightness (or value, tone, or brightness), or in two or three of these qualities. Variations in value are also called tints and shades, a tint be ...

sRGB sRGB is a standard RGB (red, green, blue) color space that HP and Microsoft created cooperatively in 1996 to use on monitors, printers, and the World Wide Web. It was subsequently standardized by the International Electrotechnical Commission ...

and HSV values.

Sacramento State green

In 2004,

California State University, Sacramento California State University, Sacramento (CSUS, Sacramento State, or informally Sac State) is a public university in Sacramento, California. Founded in 1947 as Sacramento State College, it is the eleventh oldest school in the 23-campus California ...

rebranded itself as Sacramento State, while keeping the official name as the long form. In the process of rebranding a new logo was selected, and in 2005 it formalized the colors which it would use.

Paris green

''Paris green'' is a color that ranges from pale and vivid blue green to deeper true green. It comes from the

inorganic compound In chemistry, an inorganic compound is typically a chemical compound that lacks carbon–hydrogen bonds, that is, a compound that is not an organic compound. The study of inorganic compounds is a subfield of chemistry known as '' inorganic chemis ...

copper (II) acetoarsenite and was once a popular pigment in artists' paints.

Spanish green

''Spanish green'' is the color that is called "''verde''" (the Spanish word for "green") in the ''Guía de coloraciones'' (''Guide to colorations'') by Rosa Gallego and Juan Carlos Sanz, a color dictionary published in 2005 that is widely popular in the Hispanophone realm.

UNT green

UNT green is one of three official colors used by the

University of North Texas The University of North Texas (UNT) is a public research university in Denton, Texas. It was founded as a nonsectarian, coeducational, private teachers college in 1890 and was formally adopted by the state 11 years later."Denton Normal School, ...

. It is the primary color that appears on branding and promotional material produced by and on behalf of the university.

UP forest green

At the right is one of the official colors used by the

University of the Philippines The University of the Philippines (UP; fil, Pamantasan ng Pilipinas Unibersidad ng Pilipinas) is a state university system in the Philippines. It is the country's national university, as mandated by Republic Act No. 9500 (UP Charter of 20 ...

, designated as "UP forest green". It is based on the approved color specifications to be used for the seal of the university.

Hooker's green

''Hooker's green'' is a dark green color created by mixing

Prussian blue Prussian blue (also known as Berlin blue, Brandenburg blue or, in painting, Parisian or Paris blue) is a dark blue pigment produced by oxidation of ferrous ferrocyanide salts. It has the chemical formula Fe CN)">Cyanide.html" ;"title="e(Cyani ...

and gamboge. It is displayed on the right. Hooker's green takes its name from botanical artist William Hooker (1779–1832) who first created it particularly for illustrating leaves.

Aero blue

Aero blue is a fluorescent greenish-cyan color. Aero blue was used as rainshower in one of the Sharpie permanent markers but not as bright on the marker. However, there is no mechanism for showing

fluorescence Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation. It is a form of luminescence. In most cases, the emitted light has a longer wavelength, and therefore a lower photon energy, tha ...

on a computer screen.

Morning sky

Morning sky, also known as Morning blue is a representation of the color of the morning sky. The year of the first recorded use of ''morning blue'' as a color name in English is unknown. Sunrise at udawalawa

Feldgrau green

''Feldgrau'' (field grey) was the color of the field uniform of the

German Army The German Army (, "army") is the land component of the armed forces of Germany. The present-day German Army was founded in 1955 as part of the newly formed West German ''Bundeswehr'' together with the ''Marine'' (German Navy) and the ''Luftwaf ...

from 1937 to 1945, and the East German NVA armies. Metaphorically, ''feldgrau'' used to refer to the armies of Germany (the

Imperial German Army The Imperial German Army (1871–1919), officially referred to as the German Army (german: Deutsches Heer), was the unified ground and air force of the German Empire. It was established in 1871 with the political unification of Germany under the l ...

and the Heer rmycomponent of the ''Reichswehr'' and the ''Wehrmacht'').

References

{{Color topics Tertiary colors Shades of green Shades of cyan