OKLCH Studio · color reference
CSS color white in OKLCH
Named CSS color white: oklch(1.000 0.000 0.0), HEX #FFFFFF. Contrast pairs (WCAG + APCA) and Fix links.
CSS “white” is very light — treat as a background or highlight, not body text on white.
#FFFFFF · oklch(1.000 0.000 0.0)
Contrast pairs
WCAG 2.1 normal text + APCA Lc. Open a pair in the live Fix tool — informational only, not a legal audit.
- Text on white1.00:1 · Fail · Lc 0
#FFFFFF on #FFFFFF
Open in Contrast → - White on swatchnot a suggestion1.00:1 · Fail · Lc 0
#FFFFFF on #FFFFFF
Demo of a common fail — not a suggestion.
Open in Contrast → - Black on swatch21.00:1 · AAA · Lc 106
#000000 on #FFFFFF
Open in Contrast → - Fix → AA on white4.67:1 · AA · Lc 72
#747474 on #FFFFFF
Open in Contrast → - Suggested text on swatch19.44:1 · AAA · Lc 106
#0D0D0D on #FFFFFF
Open in Contrast →
Dark surface pairing
Against #121212: white already passes AA on #121212.
Copy code
:root {
--white: oklch(1.000 0.000 0.0);
}Related
Keep exploring
Static reference — the live Fix tool uses the same WCAG math with Undo and share links.
Contrast Fix →OKLCH Studio homeTailwind indexCSS names index