CMYKWhat is CMYK? Cyan, Magenta, Yellow, and Black (or Key) are the four colors of ink used in four-colo... More (cyan More, magentaMagenta is the second of the three primary colors in CMYK. M stands for Magenta. The color can be de... More, yellowOne of the three primary colors in a subtractive color model. The "Y" in CMYK. More, blackBlack is the fourth color in the process of four-color printing. The "K" in CMYK. Black adds tonal d... More ) is a subtractive color modelA color model is a measurement system that numerically specifies the perceived attributes of color. More. The colors of ink added together create black, or the absence of light.