What are some words that mean colour?

Pigment means colour or a substance that makes colour, such as a dye.

A chromatophore is a cell on an animal’s skin that can change colour.

Hemocyanin (or haemocyanin) is the blue colour in the liquid of cephalopods, such as octopuses – it is often called blue blood.

Melanin is a dark brown or black colour in an animal’s hair, skin, and iris of the eye.

A melanophore is a coloured cell.