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Color Contrast
Basic Principle
Contrast refers to the visual difference between two colors when they are place side by side. This can be conveyed as a ratio. Maintaining appropriate contrast ensures readability with low vision, color blindness, migraines, and other visual processing concerns. In addition, it is important to use more than color to convey an idea.
Questions to Ask
- Ensure color isn’t the only way information is conveyedCan users understand the entire content without needing to see a particular color?
- Check the contrast for all content:
- Text
- Icons
- Borders
- Text within images or video
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