Tailwind CSS v3 color

Tailwind amber-500 #F59E0B

Tailwind CSS v3's amber-500 is #F59E0B. It is a light soft orange in the orange family. In OKLCH it sits at lightness 0.769, chroma 0.165 and hue 70.1°. The nearest CSS named color is orange (#FFA500), ΔE2000 2.2 away.

Relative luminance
0.4389
OKLCH L · C · h
0.769 · 0.165 · 70.1
Best text
Black 9.77:1
Hue family
Orange

#F59E0B color codes

HEX
#F59E0B
RGB
rgb(245, 158, 11)
HSL
hsl(38, 92%, 50%)
OKLCH
oklch(0.769 0.165 70.1)
OKLab
oklab(0.769 0.056 0.155)
CIELAB (D65)
L* 72.16, a* 23.49, b* 75.22
XYZ (D65)
X 49.95, Y 43.90, Z 6.16
CMYK (naive)
cmyk(0%, 36%, 96%, 4%)

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 #F59E0B accessible?

Black text on it reaches 9.77:1, passing AAA. White text fails at 2.14:1.

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

    9.77:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +62
  • White text on it

    2.14:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −46
  • As text on black

    9.77:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −60
  • As text on white

    2.14:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +41

Nearest versions that pass 4.5:1

  • For text on white

    #A66900 4.52:1

    Darkening its OKLCH lightness from 0.77 to 0.57 reaches 4.52:1 on white, keeping the hue.

  • For text on black

    #F59E0B 9.77:1

    It already reaches 9.77:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #F59E0B 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 #F59E0B

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #F59E0B sits at step 300.

  1. 50#FFF3E6
    White
    1.09
    Black
    19.21
  2. 100#FFE7CC
    White
    1.19
    Black
    17.55
  3. 200#FFCD94
    White
    1.45
    Black
    14.41
  4. 300This color#F59E0B
    White
    2.14
    Black
    9.77
  5. 400#DD8D00
    White
    2.66
    Black
    7.88
  6. 500#B97500
    White
    3.74
    Black
    5.60
  7. 600#996000
    White
    5.21
    Black
    4.02
  8. 700#7B4C00
    White
    7.30
    Black
    2.87
  9. 800#5A3700
    White
    10.59
    Black
    1.98
  10. 900#3C2300
    White
    14.65
    Black
    1.43
  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.

Tailwind CSS v3 amber scale

The real Tailwind palette, for comparison with the computed ramp above.

  1. 50#FFFBEB
    White
    1.03
    Black
    20.25
  2. 100#FEF3C7
    White
    1.11
    Black
    18.85
  3. 200#FDE68A
    White
    1.24
    Black
    16.86
  4. 300#FCD34D
    White
    1.44
    Black
    14.56
  5. 400#FBBF24
    White
    1.66
    Black
    12.57
  6. 500This color#F59E0B
    White
    2.14
    Black
    9.77
  7. 600#D97706
    White
    3.18
    Black
    6.59
  8. 700#B45309
    White
    5.02
    Black
    4.18
  9. 800#92400E
    White
    7.09
    Black
    2.96
  10. 900#78350F
    White
    9.07
    Black
    2.31
  11. 950#451A03
    White
    14.97
    Black
    1.40

Gamut

How vivid #F59E0B can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.166; #F59E0B uses 99% of it. Display P3, which many recent phones and laptops show, reaches 0.191 there: 15% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.165
sRGB edge
0.166
Display P3 edge
0.191
Rec. 2020 edge
0.194
Dominant wavelength
584 nm
Excitation purity
83%
Chromaticity
x 0.4995, y 0.4389
  • This color#F59E0B
  • Most vivid in sRGB#F69E00
  • Most vivid in Display P3oklch(0.769 0.191 70.1)

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

Use the wider color where screens show it
.accent {
  color: #f59e0b;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.9429 0.618 0); }
}

Mixing

Mixing #F59E0B

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%#FACF85
  • OKLab50%#FCD09D
  • OKLCH50%#FCD09D

Black #000000

  • sRGB50%#7B4F06
  • OKLab50%#5F3A01
  • OKLCH50%#5F3A01

Its complement #74B9FF

  • sRGB50%#B5AC85
  • OKLab50%#BDB2A6
  • OKLCH50%#4DCF94
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #f59e0b, white);
color: color-mix(in oklch, #f59e0b 50%, white);

In use

#F59E0B 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, 4.5:19.77:1 Passes
  • Link and body-size textText, 4.5:12.14:1 Fails
  • Large headingLarge text, 3:12.14:1 Fails
  • Icons, borders and focus ringsNon-text, 3:12.14:1 Fails

For text on this page, the nearest shade that passes is #A66900 4.52:1

Dark page

  • Button labelText, 4.5:19.77:1 Passes
  • Link and body-size textText, 4.5:18.72:1 Passes
  • Large headingLarge text, 3:18.72:1 Passes
  • Icons, borders and focus ringsNon-text, 3:18.72:1 Passes

Color vision

How #F59E0B looks with color blindness

Tritanopia changes it most, ΔE2000 31.8; protanopia changes it least, 17.3.

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

    #BBA400 ΔE2000 17.3

    Distinct

    Reads as light soft amber

  • Deuteranopia

    No working green (medium-wavelength) cones

    #D0B914 ΔE2000 17.9

    Distinct

    Reads as light soft yellow

  • Tritanopia

    No working blue (short-wavelength) cones

    #FF8887 ΔE2000 31.8

    Distinct

    Reads as light soft red

  • Achromatopsia

    No cone color vision; lightness only

    #B1B1B1 ΔE2000 28.4

    Distinct

    Reads as light gray

Pairing check

Checked against its complement, #74B9FF. Their lightness contrast is only 1.03:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#F59E0B · #74B9FF50.4Stays distinct
Protanopia#BBA400 · #9CBCFF53.0Stays distinct
Deuteranopia#D0B914 · #8AAEFE56.6Stays distinct
Tritanopia#FF8887 · #0BC9D154.6Stays distinct
Achromatopsia#B1B1B1 · #B4B4B40.8Easily confused

Harmony

Color harmonies for #F59E0B

Its complement is #74B9FF, 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#F59E0B
  • Complement#74B9FF

Complementary

Open in Harmony Studio
  • −30°#FF926C
  • Base#F59E0B
  • +30°#CCB500
  • Base#F59E0B
  • +120°#00CEC7
  • +240°#D395FF
  • Base#F59E0B
  • +150°#00C7F1
  • +210°#A5ABFF

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-amber-500: #f59e0b;
}

Tailwind config

// tailwind.config.js — already built in as amber-500;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        amber: { 500: '#f59e0b' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own amber-500; this pins the v3 value. */
  --color-amber-500: oklch(0.769 0.165 70.1);
}

Design token (W3C DTCG)

{
  "color": {
    "amber-500": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.9608, 0.6196, 0.0431],
        "hex": "#f59e0b"
      },
      "$description": "Tailwind CSS v3 amber-500"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let amber500 = Color(.sRGB, red: 0.961, green: 0.620, blue: 0.043, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Amber500 = Color(0xFFF59E0B)
}

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.

Tools

Open #F59E0B in the tools

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