OKLCH Studio · color reference

amber-400 in OKLCH

Tailwind v4 amber-400: oklch(0.828 0.189 84.4), HEX #FFB900. WCAG + APCA pairs, Fix deep links, and @theme snippet.

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

#FFB900 · oklch(0.828 0.189 84.4)

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 white1.72:1 · Fail · Lc 31
#FFB900 on #FFFFFF
Open in Contrast →
White on swatchnot a suggestion1.72:1 · Fail · Lc 35
#FFFFFF on #FFB900
Demo of a common fail — not a suggestion.
Open in Contrast →
Black on swatch12.19:1 · AAA · Lc 73
#000000 on #FFB900
Open in Contrast →
Fix → AA on white4.92:1 · AA · Lc 74
#A36100 on #FFFFFF
Open in Contrast →
Suggested text on swatch11.28:1 · AAA · Lc 73
#0D0D0D on #FFB900
Open in Contrast →

Against #121212: This stop already passes AA as text on #121212 (10.88:1).

@theme {
  --color-amber-400: oklch(0.828 0.189 84.4);
}

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