complementary colour

British  

noun

1. one of any pair of colours, such as yellow and blue, that give white or grey when mixed in the correct proportions

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Example Sentences

Since the main character is red, I chose green – the complementary colour – for the pigs, who have stolen the birds’ eggs and are sheltering in the structures.

From The Guardian

If we deduct the last measures from the first, the difference of aperture will give the complementary colour.

From Project Gutenberg

Where these lines cut the circumference is placed the complementary colour.

From Project Gutenberg

Now the same complementary colour will be found for both, but if we were to use the bright complementary colour which we obtained with the orange for the brown, and endeavoured to obtain a white with it by means of the double-image prism we should fail, as the complementary colour would predominate.

From Project Gutenberg

Like the colour itself, the complementary colour can always be expressed either by a single ray of the spectrum, or by white light from which a single ray is deducted.

From Project Gutenberg