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    Question

    Which colour is the complementary colour of

    yellow?
    A Blue Correct Answer Incorrect Answer
    B Green Correct Answer Incorrect Answer
    C Orange Correct Answer Incorrect Answer
    D Red Correct Answer Incorrect Answer

    Solution

    Complementary colours are pairs of colours that are of "opposite" hue in some colour model. In colour theory, two colours are called complementary if, when mixed in the proper proportion, they produce a neutral colour (grey, white, or black). In roughly-perceptual colour models, the neutral colours (white, grey, and black) lie along a central axis.

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