Contrast & APCA Calculator
Check WCAG 2.x ratios, APCA (Lc) compliance, and algorithm distance.
The Quick Brown Fox
Jumped over the lazy dog.
WCAG 2.1 Ratio
21.00
APCA 0.98G (Lc)
106
Raw Data
Diff (Color):
500
Diff (Bright):
255
Lum (Text):
0.00
Lum (Bg):
1.00