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 ...

and Key (Black), while RBY stands for Red, Blue, and Yellow. CMYK is more commonly used in color printing and works on a ...

standardizes seven-color printing, expanding the color gamut beyond RGB and CMYK. Key components of the kit include a seven-color CMYK, orange, green, and violet profile; a seven-color data set ...