A system of color printing with dots of magentaMagenta is the second of the three primary colors in CMYK. M stands for Magenta. The color can be de... More, cyan More, yellowOne of the three primary colors in a subtractive color model. The "Y" in CMYK. More, and blackBlack is the fourth color in the process of four-color printing. The "K" in CMYK. Black adds tonal d... More (CMYKWhat is CMYK? Cyan, Magenta, Yellow, and Black (or Key) are the four colors of ink used in four-colo... More).