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Provide sufficient color contrast between foreground and background, text and background color.
The contrast ratio between text and background, using regular body text, should be at least 4.5:1.
Large-scale text (24 pixels or 18 pixels bolded) should have a contrast ratio of at least 3:1.
How to Test Color Contrast
Test your contrast level between text and background using this color contrast checker for WCAG Level AA compliance.
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There should be a contrast ratio of at least 4.5.1 between link text and background color. This applies to regular body text (or 3:1 for large text) .
There must be a 3.1 contrast ratio between link text and the surrounding text.
How to Test Color Contrast
Test your contrast level related to links using this color contrast checker for WCAG Level AA compliance.
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Please see more detailed information on how to comply with this guideline.
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Color Should Not Be Used as The Only Way to Convey Information
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