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Americans With Disabilities Act 1

For Color Contrast Checking

Best Practices

  • Ratio: Text and interactive elements should have a color contrast ratio of at least 4.5:1.

  • Color as an indicator: Color should not be the only indicator for interactive elements. ...

  • Color blindness: Red/green color blindness is the most common, so avoid green on red or red on green.

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C3D798

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