2. Don't rely on color alone.

Slide 3 of 17
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Ensure that text and graphics are understandable when viewed without color.

If color alone is used to convey information, people who cannot differentiate between certain colors and users with devices that have non-color or non-visual displays will not receive the information. When foreground and background colors are too close to the same hue, they may not provide sufficient contrast when viewed using monochrome displays or by people with different types of color deficits.

Check Checkpoints for guideline 2.

Next slide: Guideline 3.

Introduction: Table-of-Contents Guidelines: Table-of-Contents Checkpoints: Table-of-Contents Examples: Table-of-Contents

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Chuck Letourneau & Geoff Freed

W3C Web Accessibility Initiative

Copyright © 2000 W3C