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," ...

Although cameras with manual white balance measurement systems can provide almost cast-free colour photographs, there are times when additional colour reference tools should also be used to ensure you ...

There is so much more to colour than meets the eye. It is a subject that has occupied the minds of artists since the earliest cave painters chose to use red ochre instead of black charcoal. The ...

Since the first studies on lithic assemblage refitting, colour has been one of the main features considered by specialists looking for connections between artefacts. Colour has prevailed as a ...