-
AAA 7.00
- Sufficient contrast for text at WCAG Level AAA.
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AA 4.50
- Sufficient contrast for text at WCAG Level AA, and UI elements at Level AAA.
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AAL 3.00
- Sufficient contrast for large text and UI elements at WCAG Level AA.
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Fail <3.00
- Only useable for disabled UI elements and presentational (non-content) elements.