Accessibility Contrast Disagreement Explorer (APCA vs WCAG)
Explore how different color combinations respond to APCA & WCAG testing.
Note:
APCA is a public beta. This page is based on the February 2021 stable release.
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Explore Differences (
0
combos)
Filter Disagreements
Show Random (No Filter)
WCAG passes, APCA fails
APCA passes, WCAG fails
Both Pass
Any Disagreement
Color Range
Any
Red
Green
Blue
Yellow
Orange
Purple
Cyan
Gray
WCAG Threshold
AA (4.5)
AA Large (3.0)
AAA (7.0)
APCA Threshold (Lc)
Basic Large (Lc ±45)
Basic Medium (Lc ±60)
Basic Small (Lc ±75)
Basic Column (Lc ±90)
Generate 25 Matching Pairs
