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Why may a green strip appear brighter than it actually is on a red background?

Answer and explanation

Correct answer: Due to simultaneous complementary contrast

The governing concept is simultaneous complementary contrast, in which a colour is visually influenced by the colour surrounding it. Red and green are complementary colours; when placed together, each can appear more intense because the eye strengthens the perceived difference between them. Therefore option A is correct. The red background does not physically change into green, backgrounds do affect perception, and the effect is not explained only by the strip’s size.

Related tags

Secondary ColoursGreenRedSimultaneous ContrastColour Wheel And Colour RelationshipsColour TheoryArt EducationClass 9 Mcq

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