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What may make blue text difficult to read on a red background?

Answer and explanation

Correct answer: दोनों के मान बहुत निकट हो सकते हैं

Readability depends strongly on value contrast, not simply on whether two hues are different. Red and blue can have similar lightness or darkness, so their edges may appear weak, especially at small sizes or in busy designs. Option A is correct. The claim that neither is primary is false in common colour systems, while blue is not always invisible and red can have considerable intensity.

Related tags

Primary ColoursRed BlueReadabilityValue ContrastColour TheoryArt EducationClass 9 Mcq

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