OKLCH Studio · color reference

gray-600 in OKLCH

Tailwind v4 gray-600: oklch(0.446 0.030 256.8), HEX #4A5565. WCAG + APCA pairs, Fix deep links, and @theme snippet.

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

#4A5565 · oklch(0.446 0.030 256.8)

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 white7.56:1 · AAA · Lc 86
#4A5565 on #FFFFFF
Open in Contrast →
White on swatch7.56:1 · AAA · Lc 91
#FFFFFF on #4A5565
Open in Contrast →
Black on swatch2.78:1 · Fail · Lc 18
#000000 on #4A5565
Open in Contrast →
Suggested text on swatch7.56:1 · AAA · Lc 91
#FFFFFF on #4A5565
Open in Contrast →

Against #121212: On near-black (#121212), Fix nudges this stop to #778394 for AA text.

@theme {
  --color-gray-600: oklch(0.446 0.030 256.8);
}

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