0 one of the three colours, red, yellow, and blue, that can be mixed together in different ways to make any other colour
The predominant error was to misname a colour with a perceptually related primary colour term.
These are the primary colours, and their linguistic labels are the primary colour terms.
Cues were assigned to the three primary colours.
With patterned socks, ideally the background colour of the sock should match the primary colour of the suit.
Pink was adopted as the club's primary colour for their third uniform in 2007.
Each of the houses were allocated a primary colour that the students could choose to wear on sporting occasions, including swimming carnivals and athletics days.
The reformers wanted those single, well-circumscribed blocks of primary colours.
About fifteen primary colour mutations have been established in the species and enable the production of many different combinations.
