Color Vision Deficiency (Color Blindness)
A range of conditions where certain colors are harder to distinguish. Designs must not rely on color alone to convey information.
More Related Accessibility Terms
Active Cursor Indicator
A visible caret or pointer state that helps users track input focus or text insertion position, essential for low-vision and cognitive accessibility.
Color Contrast
The contrast ratio between foreground and background colors. WCAG requires 4.5:1 for body text and 3:1 for large text, icons, and UI.
Contrast Ratio
Numeric ratio expressing luminance difference between two colors. Common thresholds: 4.5:1 for normal text, 3:1 for large text or UI.
High Contrast Mode
Operating system display mode that increases contrast. Respect system preferences and ensure custom styles remain legible.
Image of Text
Text presented within an image instead of actual characters. Generally discouraged; use real text where possible.
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