HEX to HSL: #7CFC00

Also known as: CSS lawngreen

#7CFC00 → hsl(90 100% 49%)

Values are shown at full precision, so converting back gives exactly #7cfc00. 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. RGB ÷ 255
```
R = 0.4863
G = 0.9882
B = 0.0000
```

2. max, min, Δ

max = 0.9882
min = 0.0000
Δ = max − min = 0.9882

3. L
```
L = (max + min) / 2 = 0.4941 = 49.41%
```

4. S

S = Δ / (1 − |2L − 1|) = 1.0000 = 100.00%

5. H

max is G → H = 60° × ((B − R) / Δ + 2) = 60° × ((0.0000 − 0.4863) / 0.9882 + 2) = 90.48°

6. HSL
```
hsl(90.48 100.00% 49.41%)
```

All formats

HEX: #7cfc00
RGB: rgb(124 252 0)
RGB (legacy): rgb(124, 252, 0)
HSL: hsl(90.48 100.00% 49.41%) → hsl(90 100% 49%)
HWB: hwb(90 0% 1%)
OKLCH: oklch(0.882 0.263 136.2) · oklch(88.2% 0.263 136.2)
OKLab: oklab(0.882 -0.190 0.182)
Lab (D50): lab(89.05 -61.33 83.04)
LCH (D50): lch(89.05 103.23 126.45)
Display P3: color(display-p3 0.6169 0.9767 0.3014)
Linear sRGB: color(srgb-linear 0.2016 0.9734 0.0000)

Gamut: sRGB and Display P3

#7CFC00 is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.263 and Display P3 reaches 0.309; this color uses 100% of the sRGB chroma available.

CSS snippets

.element {
  color: #7cfc00;
  color: rgb(124 252 0);
  color: hsl(90 100% 49%);
  color: oklch(0.882 0.263 136.2);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.882 0.263 136.2);
}
/* arbitrary values */
class="text-[#7cfc00] bg-[oklch(0.882_0.263_136.2)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.6169 0.9767 0.3014); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #7cfc00 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

#90FF38 · oklch(0.942 0.263 136.2) · ΔL +0.06
#67E700 · oklch(0.822 0.263 136.2) · ΔL −0.06

Open in the studio

Open in the OKLCH picker Check contrast on white

Other converters for this color

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Guides: What is OKLCH?