Britain standard spelling of coloring book.

Alternative form of colorfast

(physics, optics, British spelling) Colours visible when white light is split in a prisma.

plural of colour scheme

(British spelling) a colourway

plural of self colour

A colour that is not mixed or variegated, as in an animal's fur.

Alternative form of aurora-colored

(British spelling) Alternative form of colour-coordinated

(optics) A colour depending on the hypersensibility of the retina of the eye for complementary colours. They are purely subjective sensations of colour which often result from the contemplation of actually coloured bodies.