Subtractive primary colors

subtractive primary colors:
Ink or other colorants, such as paint, that when combined together in equivalent amounts produce absolute black, or, when combined in different ratios, produce any color other than black.
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Subtractive primary colors. Cyan, magenta, and yellow, which are the printing inks that, when mixed together equally, theoretically absorb all color and produce black.

No doubt, many of you have seen the subtractive primary colors listed as CMYk. The k stands for black. Theoretically, if equal amounts of pure cyan, magenta, and yellow are mixed together, black is produced.

CMY (Cyan, Magenta, Yellow)
The three subtractive primary colors used in color negative printing, and some output devices, to produce a full gamut of color.
CMYK
acronym for cyan, magenta, yellow, black.

See also: Blue, Primary colors, Primary color, Image, Light