OKLCH Studio · color reference

orange-400 in OKLCH

Tailwind v4 orange-400: oklch(0.750 0.183 55.9), HEX #FF8904. WCAG + APCA pairs, Fix deep links, and @theme snippet.

orange-400 sits in the mid-light range — useful for secondary surfaces and large display type after a contrast check.

#FF8904 · oklch(0.750 0.183 55.9)

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 white2.38:1 · Fail · Lc 46
#FF8904 on #FFFFFF
Open in Contrast →
White on swatchnot a suggestion2.38:1 · Fail · Lc 51
#FFFFFF on #FF8904
Demo of a common fail — not a suggestion.
Open in Contrast →
Black on swatch8.83:1 · AAA · Lc 58
#000000 on #FF8904
Open in Contrast →
Fix → AA on white5.13:1 · AA · Lc 74
#BC4900 on #FFFFFF
Open in Contrast →
Suggested text on swatch8.17:1 · AAA · Lc 57
#0D0D0D on #FF8904
Open in Contrast →

Against #121212: This stop already passes AA as text on #121212 (7.88:1).

@theme {
  --color-orange-400: oklch(0.750 0.183 55.9);
}

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