OKLCH Studio · color reference

emerald-400 in OKLCH

Tailwind v4 emerald-400: oklch(0.765 0.177 163.2), HEX #00D492. WCAG + APCA pairs, Fix deep links, and @theme snippet.

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

#00D492 · oklch(0.765 0.177 163.2)

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 white1.94:1 · Fail · Lc 36
#00D492 on #FFFFFF
Open in Contrast →
White on swatchnot a suggestion1.94:1 · Fail · Lc 41
#FFFFFF on #00D492
Demo of a common fail — not a suggestion.
Open in Contrast →
Black on swatch10.83:1 · AAA · Lc 67
#000000 on #00D492
Open in Contrast →
Fix → AA on white4.60:1 · AA · Lc 71
#00874B on #FFFFFF
Open in Contrast →
Suggested text on swatch10.03:1 · AAA · Lc 67
#0D0D0D on #00D492
Open in Contrast →

Against #121212: This stop already passes AA as text on #121212 (9.66:1).

@theme {
  --color-emerald-400: oklch(0.765 0.177 163.2);
}

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