OKLCH Studio · color reference
CSS color yellow in OKLCH
Named CSS color yellow: oklch(0.968 0.211 109.8), HEX #FFFF00. Contrast pairs (WCAG + APCA) and Fix links.
CSS “yellow” is very light — treat as a background or highlight, not body text on white.
#FFFF00 · oklch(0.968 0.211 109.8)
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 white1.07:1 · Fail · Lc 0
#FFFF00 on #FFFFFF
Open in Contrast → - White on swatchnot a suggestion1.07:1 · Fail · Lc 0
#FFFFFF on #FFFF00
Demo of a common fail — not a suggestion.
Open in Contrast → - Black on swatch19.56:1 · AAA · Lc 101
#000000 on #FFFF00
Open in Contrast → - Fix → AA on white5.12:1 · AA · Lc 75
#777000 on #FFFFFF
Open in Contrast → - Suggested text on swatch18.10:1 · AAA · Lc 101
#0D0D0D on #FFFF00
Open in Contrast →
Dark surface pairing
Against #121212: yellow already passes AA on #121212.
Copy code
:root {
--yellow: oklch(0.968 0.211 109.8);
}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