OKLCH Studio · Tailwind v3 → v4
Tailwind emerald-400: v3 #34d399 vs v4 oklch(0.765 0.177 163.2)
ChangedIn v4, emerald-400 is darker and more saturated than in v3 (ΔL -0.008, ΔC +0.024, ΔH 0.0°).
The v4 value is outside the sRGB gamut, so #00D492 is a clipped sRGB approximation; wide-gamut displays can show it more vivid.
| v3 hex | #34d399 |
|---|---|
| v3 as oklch() | oklch(0.773 0.153 163.2) |
| v4 oklch() | oklch(0.765 0.177 163.2) |
| v4 hex | #00D492 |
| ΔE-OK (×100) | 2.48 |
| ΔL (v4 − v3) | -0.008 |
| ΔC (v4 − v3) | 0.024 |
| ΔH (v4 − v3) | 0° |
Copy code
Tailwind v3 usage
color: #34d399;
// tailwind.config.js (v3)
colors.emerald[400] // #34d399Tailwind v4 @theme token
@theme {
--color-emerald-400: oklch(0.765 0.177 163.2);
}
.example {
color: var(--color-emerald-400);
}Keep the v3 colour in v4
@theme {
--color-emerald-400: #34d399;
}