OKLCH Studio · color reference

zinc-600 in OKLCH

Tailwind v4 zinc-600: oklch(0.442 0.017 285.8), HEX #52525C. WCAG + APCA pairs, Fix deep links, and @theme snippet.

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

#52525C · oklch(0.442 0.017 285.8)

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 white7.72:1 · AAA · Lc 87
#52525C on #FFFFFF
Open in Contrast →
White on swatch7.72:1 · AAA · Lc 92
#FFFFFF on #52525C
Open in Contrast →
Black on swatch2.72:1 · Fail · Lc 17
#000000 on #52525C
Open in Contrast →
Suggested text on swatch7.72:1 · AAA · Lc 92
#FFFFFF on #52525C
Open in Contrast →

Against #121212: On near-black (#121212), Fix nudges this stop to #80808B for AA text.

@theme {
  --color-zinc-600: oklch(0.442 0.017 285.8);
}

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