RGB to HEX: #34D399

Also known as: Tailwind v3 emerald-400

rgb(52 211 153) → #34D399

Values are shown at full precision, so converting back gives exactly #34d399. The rounded form is what you normally paste into CSS.

Step-by-step math

Every number below is computed from the input, nothing is looked up.

1. base 10 → base 16

R = 52 = 3×16 + 4 → 34
G = 211 = 13×16 + 3 → D3
B = 153 = 9×16 + 9 → 99

2. pairs → HEX
```
34 D3 99 → #34D399
```

All formats

HEX: #34d399
RGB: rgb(52 211 153)
RGB (legacy): rgb(52, 211, 153)
HSL: hsl(158.11 64.37% 51.57%) → hsl(158 64% 52%)
HWB: hwb(158 20% 17%)
OKLCH: oklch(0.773 0.153 163.2) · oklch(77.3% 0.153 163.2)
OKLab: oklab(0.773 -0.147 0.044)
Lab (D50): lab(75.70 -52.19 16.76)
LCH (D50): lch(75.70 54.81 162.20)
Display P3: color(display-p3 0.4154 0.8158 0.6162)
Linear sRGB: color(srgb-linear 0.0343 0.6514 0.3185)

Gamut: sRGB and Display P3

#34D399 is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.167 and Display P3 reaches 0.229; this color uses 92% of the sRGB chroma available.

CSS snippets

.element {
  color: #34d399;
  color: rgb(52 211 153);
  color: hsl(158 64% 52%);
  color: oklch(0.773 0.153 163.2);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.773 0.153 163.2);
}
/* arbitrary values */
class="text-[#34d399] bg-[oklch(0.773_0.153_163.2)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.4154 0.8158 0.6162); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #34d399 calc(l - 0.1) c h); }

Nearby colors

Closest colors in the Tailwind and CSS named palettes (OKLab distance).

Lighter and darker, same hue and chroma

#50E7AC · oklch(0.833 0.153 163.2) · ΔL +0.06
#01BF87 · oklch(0.713 0.153 163.2) · ΔL −0.06

Open in the studio

Open in the OKLCH picker Check contrast on white

Other converters for this color

All converters →

Guides: What is OKLCH?