At 96, Pantone inventor Lawrence Herbert gets his due in ‘The King of Color,’ a documentary about the man who brought order to a chaotic 1950s world of color. Patrick Creadon is the director and ...

Existing color systems, such as RGB and CYMK, are all text-based and require a large range of values to represent different colors, making them difficult to compute and time-consuming to convert.

Johann Gottlob Kurr, "The Mineral Kingdom" (1859), grayish blue is visible on the iron ore (bottom row, right) (all images from "Nature’s Palette: A Color Reference System from the Natural World," ...