OKLCH Studio · color reference
orange-500 in OKLCH
Tailwind v4 orange-500: oklch(0.705 0.213 47.6), HEX #FF6900. WCAG + APCA pairs, Fix deep links, and @theme snippet.
orange-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.
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 white2.89:1 · Fail · Lc 54
#FF6900 on #FFFFFF
Open in Contrast → - White on swatchnot a suggestion2.89:1 · Fail · Lc 59
#FFFFFF on #FF6900
Demo of a common fail — not a suggestion.
Open in Contrast → - Black on swatch7.27:1 · AAA · Lc 50
#000000 on #FF6900
Open in Contrast → - Fix → AA on white4.53:1 · AA · Lc 70
#D83F00 on #FFFFFF
Open in Contrast → - Suggested text on swatch6.73:1 · AA · Lc 50
#0D0D0D on #FF6900
Open in Contrast →
Dark surface pairing
Against #121212: This stop already passes AA as text on #121212 (6.49:1).
Copy code
@theme {
--color-orange-500: oklch(0.705 0.213 47.6);
}Related
Convert #FF6900
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