◎
Lumen
WCAG Color Calibration
Base
Level
AA
AAA
Size
Normal
Large
↻ Random
⌂ Reset
Tonal Scale
OKLCH lightness ramp — 50 → 950
Contrast Matrix
foreground × background — all 110 pairs
AAA
AA
AA Large
Fail
Export
CSS custom properties ready to paste
Format
Hex
OKLCH
RGB
⎘ Copy CSS
calibrating…