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Why do a greenish blue and a reddish blue produce different greens with the same yellow?

Answer and explanation

Correct answer: Their colour biases differ

Real pigment colours are not perfectly pure; each has a colour bias. A greenish blue contains less unwanted red influence and usually mixes with yellow to make a cleaner green. A reddish blue carries more red, which can partially neutralise the mixture and make it duller or shift its hue. Therefore option B explains the difference; the yellow is not changing randomly.

Related tags

Green MixturesBlue BiasPigment BehaviourSecondary ColoursColour TheoryArt EducationClass 9 Mcq

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