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Why is practical testing of tertiary colours necessary alongside the colour wheel?

Answer and explanation

Correct answer: Real pigments may differ in tinting strength and bias

The governing concept is the difference between an ideal colour model and real pigments. A colour wheel predicts relationships, but paints vary in tinting strength, transparency, undertone, and colour bias. For example, a slightly warm or cool primary can shift a tertiary mixture away from the expected appearance. Therefore option A is correct: making sample swatches verifies the actual result. B, C, and D make incorrect absolute claims.

Related tags

Practical TestingPigment BiasTertiary ColoursColour TheoryArt EducationClass 9 Mcq

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