OKLCH Studio · color reference

orange-900 in OKLCH

Tailwind v4 orange-900: oklch(0.408 0.123 38.2), HEX #7E2A0C. WCAG + APCA pairs, Fix deep links, and @theme snippet.

orange-900 is a deep shade — strong for text on light surfaces and dark UI chrome. Pair with lighter stops for surfaces.

#7E2A0C · oklch(0.408 0.123 38.2)

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 white9.44:1 · AAA · Lc 91
#7E2A0C on #FFFFFF
Open in Contrast →
White on swatch9.44:1 · AAA · Lc 95
#FFFFFF on #7E2A0C
Open in Contrast →
Black on swatch2.22:1 · Fail · Lc 13
#000000 on #7E2A0C
Open in Contrast →
Suggested text on swatch9.44:1 · AAA · Lc 95
#FFFFFF on #7E2A0C
Open in Contrast →

Against #121212: On near-black (#121212), Fix nudges this stop to #C06649 for AA text.

@theme {
  --color-orange-900: oklch(0.408 0.123 38.2);
}

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