Design Principles - Colour Print

RGB is additive. CMYK is subtractive.

Cyan (C), Magenta (M), Yellow (Y) and Black (K)

Conversion from RGB to CMYK

A printer prints each ink starting from light to dark, so YMCK

CcMmYK used in inkjet printers for photo printing creates less contrast of the halftone dots using a lighter tone of Magenta and Cyan.