Happy St. Patrick's Day, Color Geeks!

I'm not much of a "linker", preferring to focus my efforts on original content, but I couldn't resist the item above from Gordon Pritchard's excellent Quality in Print blog (http://qualityinprint.blogspot.com/).

For the unitiated, the numbers represent shades of green as expressed in four different color spaces -- 1) RGB (the primary additive colors red, green, and blue) that is used for computer monitors; 2) CMYK (the primary subtractive colors cyan, magenta, and yellow, with the "K" standing for black) which are the inks used in four-color printing; 3) PMS (Pantone Match System) used for custom inks; 4) The CIE L*a*b* system often used to describe the lightness and shade of paper.

Gordo has a knack for creating images and even animations that make concepts like FM (stochastic) screening, elliptical dots, and optical brightening agents easy to understand.