Definitions for "CMY"
yan agenta ellow Subtractive Color Model, Made up of Cyan Magenta and Yellow. Used in systems which absorb light (eg. printed material, etc).
Cyan, magenta, and yellow -- the subtractive primary colors -- or a color space that describes colors in terms of their cyan, magenta, and yellow components.
These three subtractive primary colors are used in color-negative printing and in some color output devices to produce a full gamut of color. The combination of pure CMY inks produces black, and the elimination of all three produces white.