OKLCH Studio · color reference

green-900 in OKLCH

Tailwind v4 green-900: oklch(0.393 0.095 152.5), HEX #0D542B. WCAG + APCA pairs, Fix deep links, and @theme snippet.

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

#0D542B · oklch(0.393 0.095 152.5)

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 white9.05:1 · AAA · Lc 90
#0D542B on #FFFFFF
Open in Contrast →
White on swatch9.05:1 · AAA · Lc 95
#FFFFFF on #0D542B
Open in Contrast →
Black on swatch2.32:1 · Fail · Lc 14
#000000 on #0D542B
Open in Contrast →
Suggested text on swatch9.05:1 · AAA · Lc 95
#FFFFFF on #0D542B
Open in Contrast →

Against #121212: On near-black (#121212), Fix nudges this stop to #4E8E62 for AA text.

@theme {
  --color-green-900: oklch(0.393 0.095 152.5);
}

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