The new Northwestern Purple is a custom ink color and can no longer be referenced by a Pantone number. Designers and vendors ... at [email protected]. Please note that CMYK values are ...

Spot colors, or solid inks specified with the Pantone Matching System, are used for conventional and screen printing. CMYK values are used for commercial color printing where colors are produced ...

CMYK is short for Cyan, Magenta, Yellow, and Key (Black), each referring to the four toner colors or inks in color printers.