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Rich black, in printing, is an ink mixture of solid black over one or more of the other CMYK colors, [1] resulting in a darker tone than black ink alone generates in a printing process. [ 2 ] [ 3 ] Rich black
In some cases a black keyline was used when it served as both a color indicator and an outline to be printed in black because usually the black plate contained the keyline. The K in CMYK represents the keyline or black plate, also sometimes called the key plate. [3] Text is typically printed in black and includes fine detail (such as serifs).
Black green: Until 1994 for some units of the Bundesgrenzschutz [citation needed] RAL 6013: Reed green: RAL 6014: Yellow olive: Until 1984 for vehicles of the German Bundeswehr. [8] Since 1993 for the Swiss army bicycles. [9] RAL 6015: Black olive: RAL 6016: Turquoise green: U3 line of the Berlin U-Bahn: RAL 6017: May green: RAL 6018: Yellow ...
In theory, such combinations should produce black, but produce brown because most commercially available blue pigments tend to be comparatively weaker; [citation needed] the stronger red and yellow colors prevail, thus creating the following tones. The color brown can also be made if multiple paint colors are added to each other.
The CMYK model adds a black primary to improve the darkness of blacks, where the CMY model can only mix to dark gray or only achieves black inefficiently, i.e. by using lots of the primary pigments. In the CMY model, an equal mixture of cyan and magenta is blue , an equal mixture of magenta and yellow is red and an equal mixture of yellow and ...
CMYK is used in the printing process, because it describes what kinds of inks are needed to be applied so the light reflected from the substrate and through the inks produces a given color. One starts with a white substrate (canvas, page, etc.), and uses ink to subtract color from white to create an image.
The most noticeable result of using light cyan and light magenta inks is the removal of a distinct and harsh halftone or dither dot appearance that appears in prints that use light shades of cyan or magenta on the pure CMYK ink configuration. Usually when printing a dark color the printer will saturate the area with colored ink dots, but will ...
In inkjet color printing and typical mass production photomechanical printing processes, a black ink K (Key) component is included, resulting in the CMYK color model. The black ink serves to cover unwanted tints in dark areas of the printed image, which result from the imperfect transparency of commercially practical CMY inks; to improve image ...