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What can be a common cause of a tertiary-colour mixture becoming muddy?

Answer and explanation

Correct answer: Contamination by an unwanted opposite colour

A clean tertiary-colour mixture depends on controlled ingredients and clean tools. If an unwanted opposite or complementary colour contaminates the mixture, it interacts with the intended colours, reduces saturation, and makes the result look dull or muddy. Therefore option B is correct. A clean palette, clean brush, and correct ratio help preserve colour clarity; they are preventive measures, not causes of muddiness.

Related tags

Tertiary ColoursColour MixingMuddy ColoursColour ContaminationColour TheoryArt EducationClass 9 Mcq

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