Of a pale yellow colour, like that of flax.

(American spelling) Alternative form of colour triangle

(US) Alternative spelling of colour wheel

(pathology) Any of several medical conditions in which the physical ability to see colors is impaired, especially achromatopsia, Daltonism. / (figuratively) Indifference to a person's skin color or race.

(US) Alternative spelling of food colouring

Of the wrong color. / (idiomatic) Dirty, vulgar or obscene, especially in a way that is unpleasant. / (idiomatic) Different than usual. / (idiomatic) Feeling mildly unwell.

To complete such an exercise; to carry out such a technique by filling in each space with the appropriate color.

alternative form of color by number / (rare) plural of color by number

a film punctuation in which the picture brightens until it is completely a single color

(usually used attributively) A simple drawing exercise, intended especially for children, consisting of a line drawing that divides the artwork into distinct spaces, the intended color of each indicated by a number and referenced from a key.