CSS named color

Orange #FFA500

The CSS keyword orange is #FFA500. It is a light vivid orange in the orange family. In OKLCH it sits at lightness 0.793, chroma 0.171 and hue 70.7°.

Relative luminance
0.4817
OKLCH L · C · h
0.793 · 0.171 · 70.7
Best text
Black 10.63:1
Hue family
Orange
Inspect this color Check contrast

#FFA500 color codes

HEX
#FFA500
RGB
rgb(255, 165, 0)
HSL
hsl(39, 100%, 50%)
OKLCH
oklch(0.793 0.171 70.7)
OKLab
oklab(0.793 0.057 0.161)
CIELAB (D65)
L* 74.94, a* 23.93, b* 78.95
XYZ (D65)
X 54.70, Y 48.18, Z 6.42
CMYK (naive)
cmyk(0%, 35%, 100%, 0%)

CIELAB and XYZ use the D65 white point; CSS lab() uses D50, so paste the OKLCH or HEX value into stylesheets. CMYK here is a plain formula with no press profile.

Legibility

Contrast: is #FFA500 accessible?

Black text on it reaches 10.63:1, passing AAA. White text fails at 1.97:1.

WCAG 2 gives the same ratio whichever color is the text; APCA does not, so its Lc changes sign and size with polarity.

Open the Contrast System

  • Black text on it

    10.63:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +66

  • White text on it

    1.97:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −42

  • As text on black

    10.63:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −64

  • As text on white

    1.97:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +37

Nearest versions that pass 4.5:1

  • For text on white

    #A56900 4.54:1

    Darkening its OKLCH lightness from 0.79 to 0.57 reaches 4.54:1 on white, keeping the hue.

    Compare both in the Contrast System

  • For text on black

    #FFA500 10.63:1

    It already reaches 10.63:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #FFA500 live

Move lightness, chroma and hue in OKLCH, or drag on the map. The map is every lightness and chroma at the current hue: sRGB inside the solid area, Display P3 out to the dashed line.

The studio needs JavaScript.

Scale

Shades and tints of #FFA500

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #FFA500 sits at step 300.

  1. 50#FFF3E6
    White
    1.09
    Black
    19.21
  2. 100#FFE7CB
    White
    1.19
    Black
    17.54
  3. 200#FFCD93
    White
    1.45
    Black
    14.40
  4. 300This color#FFA500
    White
    1.97
    Black
    10.63
  5. 400#DC8E00
    White
    2.65
    Black
    7.91
  6. 500#B87600
    White
    3.73
    Black
    5.62
  7. 600#996100
    White
    5.16
    Black
    4.06
  8. 700#7A4D00
    White
    7.26
    Black
    2.88
  9. 800#5A3700
    White
    10.59
    Black
    1.98
  10. 900#3B2300
    White
    14.72
    Black
    1.42
  11. 950#221200
    White
    18.18
    Black
    1.15

Under each step, white and black text on it; a bold figure passes 4.5:1.

Gamut

How vivid #FFA500 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.171; #FFA500 uses 100% of it. Display P3, which many recent phones and laptops show, reaches 0.196 there: 15% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.171
sRGB edge
0.171
Display P3 edge
0.196
Rec. 2020 edge
0.200
Dominant wavelength
584 nm
Excitation purity
84%
Chromaticity
x 0.5005, y 0.4408
  • This color#FFA500
  • Most vivid in sRGB#FFA500
  • Most vivid in Display P3oklch(0.793 0.196 70.7)

On a screen without Display P3 the last tile shows the sRGB edge instead.

Use the wider color where screens show it
.accent {
  color: #ffa500;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.9792 0.6468 0); }
}

Mixing

Mixing #FFA500

Each row is the same mix worked out in a different space, with the halfway color at its end. sRGB, which older CSS gradients use, can sag gray or dark in the middle; OKLab keeps the lightness steps even; OKLCH holds chroma and hue as it goes.

White #FFFFFF

  • sRGB50%#FFD280
  • OKLab50%#FFD49F
  • OKLCH50%#FFD5A3

Black #000000

  • sRGB50%#805300
  • OKLab50%#633D00
  • OKLCH50%#633D00

Its complement #85C0FF

  • sRGB50%#C2B380
  • OKLab50%#C8B8A6
  • OKLCH50%#F796D6
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #ffa500, white);
color: color-mix(in oklch, #ffa500 50%, white);

In use

#FFA500 in an interface

A button, a link, a heading, a focused field, an icon and a chart line in this color, on a light page and a dark one. Each check is a WCAG 2 contrast minimum: 1.4.3 for text, 1.4.11 for the rest.

Light page

  • Button labelText, 4.5:110.63:1 Passes
  • Link and body-size textText, 4.5:11.97:1 Fails
  • Large headingLarge text, 3:11.97:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.97:1 Fails

For text on this page, the nearest shade that passes is #A56900 4.54:1

Dark page

  • Button labelText, 4.5:110.63:1 Passes
  • Link and body-size textText, 4.5:19.48:1 Passes
  • Large headingLarge text, 3:19.48:1 Passes
  • Icons, borders and focus ringsNon-text, 3:19.48:1 Passes

Color vision

How #FFA500 looks with color blindness

Tritanopia changes it most, ΔE2000 32.5; protanopia changes it least, 17.6.

Simulated with Machado et al. (2009) at full severity, in linear light.

Simulate a whole page What each type sees

  • Protanopia

    No working red (long-wavelength) cones

    #C3AC00 ΔE2000 17.6

    Distinct

    Reads as light soft amber

  • Deuteranopia

    No working green (medium-wavelength) cones

    #D9C10E ΔE2000 18.0

    Distinct

    Reads as light soft yellow

  • Tritanopia

    No working blue (short-wavelength) cones

    #FF8E8D ΔE2000 32.5

    Distinct

    Reads as light soft red

  • Achromatopsia

    No cone color vision; lightness only

    #B8B8B8 ΔE2000 28.9

    Distinct

    Reads as light gray

Pairing check

Checked against its complement, #85C0FF. Their lightness contrast is only 1.03:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#FFA500 · #85C0FF49.6Stays distinct
Protanopia#C3AC00 · #A7C2FF52.0Stays distinct
Deuteranopia#D9C10E · #98B6FE55.4Stays distinct
Tritanopia#FF8E8D · #4ECED651.4Stays distinct
Achromatopsia#B8B8B8 · #BBBBBB0.8Easily confused

Harmony

Color harmonies for #FFA500

Its complement is #85C0FF, a light soft blue, on the cool side of the wheel.

Hue rotations in OKLCH, mapped into sRGB by trimming chroma so hue and lightness stay put.

Open the Harmony Studio
  • Base#FFA500
  • Complement#85C0FF

Complementary

Open in Harmony Studio
  • −30°#FF9F7C
  • Base#FFA500
  • +30°#D3BD00

Analogous

Open in Harmony Studio
  • Base#FFA500
  • +120°#00D7D0
  • +240°#D8A0FF

Triadic

Open in Harmony Studio
  • Base#FFA500
  • +150°#00D0FC
  • +210°#AFB4FF

Split-complementary

Open in Harmony Studio

Code

Design tokens

Ready-to-paste tokens in six formats. Rename them to fit your system.

CSS custom property

:root {
  --color-orange: #ffa500;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        orange: '#ffa500',
      },
    },
  },
};

Tailwind v4 theme

/* app.css — Tailwind CSS v4 */
@import "tailwindcss";

@theme {
  --color-orange: oklch(0.793 0.171 70.7);
}

Design token (W3C DTCG)

{
  "color": {
    "orange": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [1, 0.6471, 0],
        "hex": "#ffa500"
      },
      "$description": "CSS named color orange"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let orange = Color(.sRGB, red: 1.000, green: 0.647, blue: 0.000, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Orange = Color(0xFFFFA500)
}

Matches

The nearest match in each system

The closest CSS name, Tailwind shade, RAL Classic paint and Crayola crayon by ΔE2000; under 2 is hard to tell apart side by side. RAL and Crayola values approximate physical colors.

Neighbors

The eight nearest colors on this site by ΔE2000, closest first. Under 2 is hard to tell apart side by side.

Tools

Open #FFA500 in the tools

Each opens over this page. More colors live in the Color Library, and every color page is listed on the hub.