For example, red is specified as '00FFFF00', green as 'FF00FF00', process black (uses cyan, magenta, and yellow ink) as 'FFFFFF00', and pure black (uses only black ink) as '000000FF'. For CMYK color ...
CMYK (short for cyan, magenta, yellow, and key (black), and often referred to as process color or four color) is a subtractive color model, primarily used in color printing. The major difference is ...