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Per W3C WCAG 2.1 + GAG, the minimum CONTRAST RATIO for normal-size text against its background should be at least which?

A0.5:1
B4.5:1
C1.5:1
D100:1
Answer & Solution
Correct answer: B. 4.5:1
WCAG 2.1 success criterion 1.4.3: normal text needs ≥ 4.5:1; large text needs ≥ 3:1. Applies to UI + subtitles in games.
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