HEX to OKLCH: #FDBA74

Also known as: Tailwind v3 orange-300

#FDBA74 → oklch(0.837 0.117 66.3)

Values are shown at full precision, so converting back gives exactly #fdba74. 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. sRGB → linear

R: 253/255 = 0.99216 → 0.982251  (((x + 0.055) / 1.055)^2.4)
G: 186/255 = 0.72941 → 0.491021  (((x + 0.055) / 1.055)^2.4)
B: 116/255 = 0.45490 → 0.174647  (((x + 0.055) / 1.055)^2.4)

2. linear sRGB → LMS

l = 0.4122·R + 0.5363·G + 0.0514·B = 0.677240
m = 0.2119·R + 0.6807·G + 0.1074·B = 0.561137
s = 0.0883·R + 0.2817·G + 0.6300·B = 0.335089

3. cube root

l′ = ∛0.677240 = 0.878175
m′ = ∛0.561137 = 0.824814
s′ = ∛0.335089 = 0.694577

4. LMS′ → Oklab

L = 0.2105·l′ + 0.7936·m′ − 0.0041·s′ = 0.83657
a = 1.9780·l′ − 2.4286·m′ + 0.4506·s′ = 0.04686
b = 0.0259·l′ + 0.7828·m′ − 0.8087·s′ = 0.10670

5. Oklab → OKLCH

C = √(a² + b²) = 0.11654
H = atan2(b, a) = 66.290°
L = 0.83657

6. OKLCH

oklch(0.83657 0.11654 66.290)
rounded: oklch(0.837 0.117 66.3)

All formats

HEX: #fdba74
RGB: rgb(253 186 116)
RGB (legacy): rgb(253, 186, 116)
HSL: hsl(30.66 97.16% 72.35%) → hsl(31 97% 72%)
HWB: hwb(31 45% 1%)
OKLCH: oklch(0.837 0.117 66.3) · oklch(83.7% 0.117 66.3)
OKLab: oklab(0.837 0.047 0.107)
Lab (D50): lab(80.80 19.44 45.17)
LCH (D50): lch(80.80 49.17 66.71)
Display P3: color(display-p3 0.9524 0.7402 0.4971)
Linear sRGB: color(srgb-linear 0.9823 0.4910 0.1746)

Gamut: sRGB and Display P3

#FDBA74 is a hex color, so it sits inside sRGB and therefore inside Display P3. At this lightness and hue, sRGB reaches chroma 0.121 and Display P3 reaches 0.153; this color uses 96% of the sRGB chroma available.

CSS snippets

.element {
  color: #fdba74;
  color: rgb(253 186 116);
  color: hsl(31 97% 72%);
  color: oklch(0.837 0.117 66.3);
}

/* Tailwind CSS v4 */
@theme {
  --color-brand: oklch(0.837 0.117 66.3);
}
/* arbitrary values */
class="text-[#fdba74] bg-[oklch(0.837_0.117_66.3)]"

/* wide-gamut screens */
@media (color-gamut: p3) {
  .element { color: color(display-p3 0.9524 0.7402 0.4971); }
}

/* relative color syntax: 10% darker */
.element-dark { color: oklch(from #fdba74 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

#FFCD87 · oklch(0.897 0.117 66.3) · ΔL +0.06
#E9A761 · oklch(0.777 0.117 66.3) · ΔL −0.06

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