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6. Appendix
Color Guide
Color Printing Basics
Additive (Emitted) and Subtractive (Reflected) Color Models
All light is a mixture of red, green, and blue, which is normally called the RGB
model. When red, green, and blue are of equal intensities, the RGB color model
produces white.
Note
❒
RGB is also called additive or emitted color. The colors on your computer
screen are produced by varying the intensities of RGB.
Printed color is a mixture of cyan, magenta, and yellow, which is normally called
the CMY color model. When mixed in equal proportions the CMY color model
produces black.
Note
❒
CMY is also called subtractive or reflective color. The printer uses CMY toner
plus K (black) toner (CMYK color model) to provide full color printing.
red
blue
green
yellow
magenta
cyan