APCA Contrast
Summary
APCA’s perceptual lightness-contrast score, proposed as a replacement for the WCAG 2 ratio.
Useful for seeing where the WCAG 2 ratio overrates dark pairs. It is not yet a compliance standard, so audits still need the old number.
- Resource: APCA Contrast
- By: Andrew Somers
- Kind: accessibility (tool)
- Level: intermediate
- Tags: accessibility, perception, designer, developer, interactive, web