OKLCH Studio · color reference

orange-600 in OKLCH

Tailwind v4 orange-600: oklch(0.646 0.222 41.1), HEX #F54900. WCAG + APCA pairs, Fix deep links, and @theme snippet.

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

#F54900 · oklch(0.646 0.222 41.1)

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 white3.60:1 · Fail · Lc 62
#F54900 on #FFFFFF
Open in Contrast →
White on swatchnot a suggestion3.60:1 · Fail · Lc 68
#FFFFFF on #F54900
Demo of a common fail — not a suggestion.
Open in Contrast →
Black on swatch5.84:1 · AA · Lc 42
#000000 on #F54900
Open in Contrast →
Fix → AA on white4.97:1 · AA · Lc 72
#D82800 on #FFFFFF
Open in Contrast →
Suggested text on swatch5.40:1 · AA · Lc 42
#0D0D0D on #F54900
Open in Contrast →

Against #121212: This stop already passes AA as text on #121212 (5.21:1).

@theme {
  --color-orange-600: oklch(0.646 0.222 41.1);
}

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