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," ...

Finding the perfect shade can be difficult in today’s world of endless color choices. Fortunately, we have color-matching apps. These innovative tools help users to identify, match, and experiment ...

Hewlett-Packard (HP) Labs has unveiled a research project that could help people select colors when shopping for products. The technology uses color-correcting and computer-vision algorithms that ...

Forbes contributors publish independent expert analyses and insights. Technology journalist specializing in audio, computing and Apple Macs. Have you ever seen a fabulous color on someone’s living ...