Contrast may refer to:

Science

Contrast (vision) Contrast is the contradiction in luminance or colour that makes an object (or its representation in an image or display) distinguishable. In visual perception of the real world, contrast is determined by the difference in the colour and bright ...

, the contradiction in form, colour and light between parts of an image *

Contrast (statistics) In statistics, particularly in analysis of variance and linear regression, a contrast is a linear combination of variables (parameters or statistics) whose coefficients add up to zero, allowing comparison of different treatments. Definitions Le ...

, a combination of averages whose coefficients add up to zero, or the difference between two means *

Behavioral contrast Behavioral contrast refers to a change in the strength of one response that occurs when the rate of reward of a second response, or of the first response under different conditions, is changed. For example, suppose that a pigeon Columbidae ( ...

, a phenomenon studied in psychology (behavior analysis) *

Contrast agent A contrast agent (or contrast medium) is a substance used to increase the contrast of structures or fluids within the body in medical imaging. Contrast agents absorb or alter external electromagnetism or ultrasound, which is different from radiop ...

, used to distinguish structures or fluids within a body, often shortened to just "contrast"

Technology

* Contrast ratio, a measure of a display system *

Display contrast Contrast in visual perception is a felt difference in appearance of two or more parts of a field seen simultaneously or successively (hence: brightness contrast, lightness contrast, color contrast, simultaneous contrast, successive contrast, etc.). ...

, of electronic visual displays

Language

Contrast (linguistics) In semantics, contrast is a relationship between two discourse segments. On contrast Contrast is often overtly marked by markers such as ''but'' or ''however'', such as in the following examples: # It's raining, ''but'' I am not taking an umbr ...

, expressing distinctions between words *

Contrast (literary) In literature, an author uses contrast when they describe the difference(s) between two or more entities. According to the Oxford Dictionary, contrast is comparing two things in order to show the differences between them. It is common in many work ...

, describing the difference(s) between two or more entities

Arts and entertainment

Music

The Contrast (band) The Contrast are a guitar power pop band based in Peterborough, Cambridgeshire, in the United Kingdom. They were formed in 1999 by David Reid and have since released five albums on the New York-based label Rainbow Quartz and two for Wicked Coo ...

, an English pop band formed in 1999 *

Contrast (music) In music and musical form, contrast is the difference between parts or different instrument sounds. The three types of contrast are rhythmic contrast, melodic contrast, and harmonic contrast. Procedures of contrast include stratification, juxtapos ...

, the difference between parts or different instrumental sounds

Albums

* ''Contrast'' (Conor Maynard album), 2012 * ''Contrast'' (Matt Fax album), 2017 * ''Contrast'' (EP), by the Features, 2006 * ''Contrast'', by

Emi Maria Emi Maria (stylized as EMI MARIA; born 9 June 1987) is a Japanese Papua New Guinean R&B singer-songwriter who debuted in 2007 with the EP ''Between the Music''. Biography Emi Maria was born in 1987 in Papua New Guinea. Her mother is Japanese-N ...

, 2010 * ''Contrast'', by Klinik, 1992 * ''Contrast'', by

Signal Aout 42 Signal Aout 42, also known as SA42, is a Belgian electronic music band. Initially active in the 1980s, Signal Aout 42 became known for producing music in the EBM and industrial styles of electronic music, but into and through the 1990s also inco ...

, 1990 * ''Contrast'', an EP by

Toru Kitajima , better known as TK, is a Japanese musician and singer-songwriter. He rose to prominence as lead vocalist, guitarist and songwriter of the rock band Ling tosite Sigure, which formed in 2002. In 2011, he started to release solo material as . Bi ...

, 2014

Other media

* ''Contrast'' (video game), a 2013 puzzle-based platform game * ''The Contrast'' (play), a 1787 play by Royall Tyler