Reversing type (also reversing, knocking-out, reversed type) is a method of typographic
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 ...
with black or colored inks, in which the entire surface is printed, except for text elements. Reversing is one of the special cases of printing on a color solid, when the color of the solid is black or colored, and the color of the letters is white. This means that the colors of letter background and letters change places. As such, reversing is a meaningfulful way to add emphasis and contrast to the page as well as to develop a visible typographic hierarchy.
Use in printing
Reversing greatly affects a text's
readability
Readability is the ease with which a reader can understand a written text. In natural language, the readability of text depends on its content (the complexity of its vocabulary and syntax) and its presentation (such as typographic aspects t ...
,
so it is most often used for printing headings and for highlighting small fragments of text, preferably with bold emphasis. Quite often it is used as a design technique in advertising.
Outside the printing industry
In the computer industry, the inverted text usually displays a selected block of text, the current menu item. Many older people have a slight, comfortable
astigmatism
Astigmatism is a type of refractive error due to rotational asymmetry in the eye's refractive power. This results in distorted or blurred vision at any distance. Other symptoms can include eyestrain, headaches, and trouble driving at ni ...
. At the high resolution of modern computer screens, they better see black letters on white background rather than vice versa. Therefore, long reversed texts are rare.
The reversing is widely used in the various equipment design (from television remotes to dump trucks): a half-erased button or plate remains readable.
See also
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Negative space
Negative space, in art, is the empty space around and between the subject(s) of an image. Negative space may be most evident when the space around a subject, not the subject itself, forms an interesting or artistically relevant shape, and s ...
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Reverse-contrast typefaces
A reverse-contrast or reverse-stress letterform is a design in which the stress (font), stress is reversed from the norm: a typeface or custom lettering where the horizontal lines are the thickest. This is the reverse of the vertical lines being t ...
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Type color
References
{{Design
Printing terminology
Graphic design