Visual Information
Color and other visual cues can be used effectively to convey information, but a backup method must be used.
Users Affected
Colorblind
Low Vision
Blind
Cognitive
Checklist
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All information can be understood when the design is converted to grayscale
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Links are differentiated from paragraph text by more than just color
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Instructional text that references size, location, or color also references text-based attributes
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Focus indicators are visible for everything that's focusable with the keyboard
References
In WCAG
- WCAG Success Criterion 1.3.3: Sensory Characteristics
- WCAG Success Criterion 1.4.1: Use of Color
- WCAG Success Criterion 2.4.7: Focus Visible