![]() ![]() Sufficient contrast ratio depends on the foreground (your text) and background colors (the solid background over which the text appears), font size, and font weight. But keep in mind that images of text can be difficult and often impossible for visitors with visual disabilities to understand - use styled text wherever possible. Note: While WCAG contrast ratio guidelines don’t apply to images (including logos), it’s best practice to apply a 4.5:1 ratio for images with prominent text. Large text (18 point or 14 point bold) need a ratio of 4.5:1.Text and images should have a ratio of 7:1.Large text (18 point or 14 point bold) need a ratio of 3:1Ĭolor contrast guidelines for AAA (enhanced).Text and images should have a ratio of 4.5:1.Color contrast guidelines for AA (minimum) Contrast is the difference in brightness (or luminance) between 2 colors and ranges from 1:1 (e.g., white text on a white background) to 21:1 (e.g., black text on a white background). WCAG offers suggested ratios of the best contrast based on size of text. Sufficient color contrast between text and background improves the experience, accessibility, and legibility on your site for everyone, especially for people with visual disabilities. Understand the importance of good color contrast ratios Understand the importance of good color contrast ratiosĮnroll in the entire accessibility course.In this lesson, you’ll learn all about the Color contrast checker with the following: Put inclusivity and accessibility at the forefront of your design choices, and use the Color contrast checker in the color picker to make sure all people can read your text. You might love the subtle use of dark text against an even darker background - but chances are it’s probably illegible to most people visiting your site, especially those with visual disabilities. ![]()
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