RGB to HEX: #10B981

Also known as: Tailwind v3 emerald-500

rgb(16 185 129) → #10B981

Values are shown at full precision, so converting back gives exactly #10b981. 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 = 16 = 1×16 + 0 → 10
G = 185 = 11×16 + 9 → B9
B = 129 = 8×16 + 1 → 81

2. pairs → HEX
```
10 B9 81 → #10B981
```

All formats

HEX: #10b981
RGB: rgb(16 185 129)
RGB (legacy): rgb(16, 185, 129)
HSL: hsl(160.12 84.08% 39.41%) → hsl(160 84% 39%)
HWB: hwb(160 6% 27%)
OKLCH: oklch(0.696 0.149 162.5) · oklch(69.6% 0.149 162.5)
OKLab: oklab(0.696 -0.142 0.045)
Lab (D50): lab(66.69 -50.67 17.06)
LCH (D50): lch(66.69 53.46 161.39)
Display P3: color(display-p3 0.3325 0.7147 0.5221)
Linear sRGB: color(srgb-linear 0.0052 0.4851 0.2195)

Gamut: sRGB and Display P3

#10B981 is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.152 and Display P3 reaches 0.208; this color uses 98% of the sRGB chroma available.

CSS snippets

.element {
  color: #10b981;
  color: rgb(16 185 129);
  color: hsl(160 84% 39%);
  color: oklch(0.696 0.149 162.5);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.696 0.149 162.5);
}
/* arbitrary values */
class="text-[#10b981] bg-[oklch(0.696_0.149_162.5)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.3325 0.7147 0.5221); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #10b981 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

#37CD93 · oklch(0.756 0.149 162.5) · ΔL +0.06
#00A66F · oklch(0.636 0.149 162.5) · 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?