OKLCH Studio · color reference

stone-600 in OKLCH

Tailwind v4 stone-600: oklch(0.444 0.011 73.6), HEX #57534D. WCAG + APCA pairs, Fix deep links, and @theme snippet.

stone-600 is a saturated mid-dark — good for primary buttons and links on light surfaces; often works as background with light text after Fix.

#57534D · oklch(0.444 0.011 73.6)

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 white7.64:1 · AAA · Lc 87
#57534D on #FFFFFF
Open in Contrast →
White on swatch7.64:1 · AAA · Lc 91
#FFFFFF on #57534D
Open in Contrast →
Black on swatch2.75:1 · Fail · Lc 17
#000000 on #57534D
Open in Contrast →
Suggested text on swatch7.64:1 · AAA · Lc 91
#FFFFFF on #57534D
Open in Contrast →

Against #121212: On near-black (#121212), Fix nudges this stop to #85807A for AA text.

@theme {
  --color-stone-600: oklch(0.444 0.011 73.6);
}

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