ACSS Color Palette Accessibility Checker
Review WCAG contrast ratings for ACSS global colors, including optional semantic colors and shade comparisons.
Color Combination Matrix
Color Opacity Matrix
Understanding Contrast & Accessibility
Contrast Ratios
- 7.00 + Enhanced contrast suitable for all text sizes
- 4.50 – 6.99 Good contrast suitable for standard text
- 3.00 – 4.49 Minimum contrast, suitable ONLY for large scale text
- < 3.00 Insufficient contrast
*Large text is defined as bold and 14 point (typically 18.66px/1.167em) or larger, OR not bold and 18 point (typically 24px/1.5em) or larger.