RGB to HEX: #008000

Also known as: CSS green

rgb(0 128 0) → #008000

Values are shown at full precision, so converting back gives exactly #008000. 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 = 0 = 0×16 + 0 → 00
G = 128 = 8×16 + 0 → 80
B = 0 = 0×16 + 0 → 00

2. pairs → HEX
```
00 80 00 → #008000
```

All formats

HEX: #008000
RGB: rgb(0 128 0)
RGB (legacy): rgb(0, 128, 0)
HSL: hsl(120.00 100.00% 25.10%) → hsl(120 100% 25%)
HWB: hwb(120 0% 50%)
OKLCH: oklch(0.520 0.177 142.5) · oklch(52.0% 0.177 142.5)
OKLab: oklab(0.520 -0.140 0.108)
Lab (D50): lab(46.28 -47.55 48.59)
LCH (D50): lch(46.28 67.98 134.38)
Display P3: color(display-p3 0.2160 0.4942 0.1315)
Linear sRGB: color(srgb-linear 0.0000 0.2159 0.0000)

Gamut: sRGB and Display P3

#008000 is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.177 and Display P3 reaches 0.208; this color uses 100% of the sRGB chroma available.

CSS snippets

.element {
  color: #008000;
  color: rgb(0 128 0);
  color: hsl(120 100% 25%);
  color: oklch(0.520 0.177 142.5);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.520 0.177 142.5);
}
/* arbitrary values */
class="text-[#008000] bg-[oklch(0.520_0.177_142.5)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.2160 0.4942 0.1315); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #008000 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

#259321 · oklch(0.580 0.177 142.5) · ΔL +0.06
#006E00 · oklch(0.460 0.177 142.5) · 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?