OKLCH Studio · color reference

yellow-100 in OKLCH

Tailwind v4 yellow-100: oklch(0.973 0.071 103.2), HEX #FEF9C2. WCAG + APCA pairs, Fix deep links, and @theme snippet.

yellow-100 is a light tint — best for soft backgrounds, chips, and borders. Prefer darker ink for body text; check Fix if you put text on it.

#FEF9C2 · oklch(0.973 0.071 103.2)

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
#FEF9C2 on #FFFFFF
Open in Contrast →
White on swatchnot a suggestion1.07:1 · Fail · Lc 0
#FFFFFF on #FEF9C2
Demo of a common fail — not a suggestion.
Open in Contrast →
Black on swatch19.54:1 · AAA · Lc 101
#000000 on #FEF9C2
Open in Contrast →
Fix → AA on white5.14:1 · AA · Lc 75
#746F3C on #FFFFFF
Open in Contrast →
Suggested text on swatch18.09:1 · AAA · Lc 101
#0D0D0D on #FEF9C2
Open in Contrast →

Against #121212: This stop already passes AA as text on #121212 (17.43:1).

@theme {
  --color-yellow-100: oklch(0.973 0.071 103.2);
}

Static reference — the live Fix tool uses the same WCAG math with Undo and share links.