OKLCH Studio · color reference
neutral-500 in OKLCH
Tailwind v4 neutral-500: oklch(0.556 0.000 0.0), HEX #737373. WCAG + APCA pairs, Fix deep links, and @theme snippet.
neutral-500 is Tailwind’s default brand stop — strong for accents and buttons. Verify text on this swatch with Fix; many 500s fail white-on-color for body text.
#737373 · oklch(0.556 0.000 0.0)
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 white4.74:1 · AA · Lc 73
#737373 on #FFFFFF
Open in Contrast → - White on swatch4.74:1 · AA · Lc 78
#FFFFFF on #737373
Open in Contrast → - Black on swatch4.43:1 · Fail · Lc 31
#000000 on #737373
Open in Contrast → - Suggested text on swatch4.74:1 · AA · Lc 78
#FFFFFF on #737373
Open in Contrast →
Dark surface pairing
Against #121212: On near-black (#121212), Fix nudges this stop to #7F7F7F for AA text.
Copy code
@theme {
--color-neutral-500: oklch(0.556 0.000 0.0);
}Related
Convert #737373
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