What is G7®?

G7® is a specification that defines a grayscale appearance and a calibration method for any CMYKSystem for describing colors based on a combination of values for Cyan, Magenta, Yellow, and Black; the ink colors used in four-color process printing. In theory, 100% of Cyan, Magenta, and Yellow create Black. In practice, the addition of Black ink is necessary to print a true Black. See also RGB. imaging devices. It gives you a color match between different imaging systems

using simple 1-dimensional curves that are defined standard grayscale curve, and enables shared appearance between different printers or specifications when additional color management is not available.

There are 2 steps for G7® Grayscale1. The range of tones from black to white. 2. An image consisting of only levels of black and white. workflow.

• G7® Grayscale Correction - This step is only intended for calibrating
• G7® Grayscale Verification - This step is only intended for verifying tolerance

(NOTE: If you use RIPCenter, please ask about upgrade to your authorized ONYX reseller.)