(art) The first broad outlines of a picture.

present participle of colour inside the lines

present participle of colour outside the lines

(British spelling) A plane triangular graph on which are drawn all the colours that can be made by the additive mixing of red blue and green; these three primary colours are at the apices, while white is in the middle.

(British spelling) A planar circular chart in which related colours are adjacent, and complementary colors are opposite.

Britain standard spelling of color blindness.

(British spelling, colour science) Either of two colours which, when mixed, produce a white or grey.

(uncountable) A colour system of transmitting and receiving television signals. / (countable) A television set that displays images in colour.

The segregation of people of different colour or race, especially any barrier to black people participating in activities with white people.

Alternative spelling of sulfur-color