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The CMYK color model is based on the CMY color model, which omits the black ink. Four-color printing uses black ink in addition to subtractive primaries for several reasons: [ 2 ] In traditional preparation of color separations, a red keyline on the black line art marked the outline of solid or tint color areas.
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
Gray and black colors: Black: 000000: 0, 0, 0 ... CSS Color 4 introduces several different formats for device independent ... This allows the use of CMYK on web pages ...
It was designed to encompass most of the colors achievable on CMYK color printers, but by using RGB primary chromaticities on a device such as the computer display. The Adobe RGB color space encompasses roughly 50% of the visible colors specified by the Lab color space, improving upon the gamut of the sRGB color space primarily in cyan-greens.
Often a fourth ink, black, is added to improve reproduction of some dark colors. This is called the "CMY" or "CMYK" color space. The cyan ink absorbs red light but transmits green and blue, the magenta ink absorbs green light but transmits red and blue, and the yellow ink absorbs blue light but transmits red and green.
In this type of industrial or commercial printing, the technique used to print full-color images, such as color photographs, is referred to as four-color-process or merely process printing. Four inks are used: three secondary colors plus black. These ink colors are cyan, magenta, yellow and key ; abbreviated as CMYK.
These colors are also reflected in the Pan-African flag (black, red, and green) and the Ethiopian flag (green, gold, and red), which both have uplifting backgrounds that highlight the resilience ...
Colors can be created in printing with color spaces based on the CMYK color model, using the subtractive primary colors of pigment (cyan, magenta, yellow, and black). To create a three-dimensional representation of a given color space, we can assign the amount of magenta color to the representation's X axis , the amount of cyan to its Y axis ...