G7 Printing Standard

G7 Method, commonly referred to within the graphic arts industry as “G7”. The “G7” refers to grayscale plus seven colours – the four process printing or subtractive colors CMYK (Cyan, Magenta, Yellow, Black) and the three screen or additive colors RGB (Red, Green, and Blue). It is a specification or methodology developed by the Print Properties and Colorimetrics Working Group of IDEAlliance ^[1] for controlling colour reproduction through grayscale calibration.