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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 to the four ink plates used: cyan, magenta, yellow, and key (most often black).
The color defined as green in the CMYK color system used in printing, 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. The purpose of the CMYK color system is to provide the maximum possible gamut of color reproducible in printing.
Colors out of the sRGB gamut should specify a CIELCh uv value. A CIELCh uv value is enough to describe any color possible under daylight. Sources may specify colors in some other uniform color space, which can be converted to CIELCh uv using established algorithms such as those provided by the python package "colour".
This is an accepted version of this page This is the latest accepted revision, reviewed on 8 January 2025. This article is about a color. For the color formerly known as spring green, see Spring bud. For other uses, see Spring green (disambiguation). This article's factual accuracy is disputed. Relevant discussion may be found on the talk page. Please help to ensure that disputed statements ...
A color tool or other graphics software is often used to generate color values. In some uses, hexadecimal color codes are specified with notation using a leading number sign (#). [1] [2] A color is specified according to the intensity of its red, green and blue components, each represented by eight bits.
In color science, a color model is an abstract mathematical model describing the way colors can be represented as tuples of numbers, typically as three or four values or color components. When this model is associated with a precise description of how the components are to be interpreted (viewing conditions, etc.), taking account of visual ...
CMYK color model: The coordinates in CMYK space as commonly used during color printing. Colors represented by CMYK coordinates vary greatly between printers depending on the inks used. HSV color space: The HSV space is a transformation from RGB space. As a transformation of RGB values, HSV values share the same limitation.
A CMYK value is meaningful only if you can specify what ink–paper–process standard it is supposed to be used with. If your color article does not specifically concern a quirk in the CMYK process (such as rich black ), it's best to leave it unspecified since it does not add additional information.