Tailwind CSS v3 color

Tailwind yellow-950 #422006

Tailwind CSS v3's yellow-950 is #422006. It is a very dark muted brown in the brown family. In OKLCH it sits at lightness 0.286, chroma 0.064 and hue 53.8°. The nearest CSS named color is maroon (#800000), ΔE2000 16.3 away.

Relative luminance: 0.0220
OKLCH L · C · h: 0.286 · 0.064 · 53.8
Best text: White 14.57:1
Hue family: Brown

Inspect this color Check contrast

#422006 color codes

HEX: #422006
RGB: rgb(66, 32, 6)
HSL: hsl(26, 83%, 14%)
OKLCH: oklch(0.286 0.064 53.8)
OKLab: oklab(0.286 0.038 0.052)
CIELAB (D65): L* 16.53, a* 14.15, b* 22.05
XYZ (D65): X 2.80, Y 2.20, Z 0.45
CMYK (naive): cmyk(0%, 52%, 91%, 74%)

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 #422006 accessible?

White text on it reaches 14.57:1, passing AAA. Black text fails at 1.44:1.

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

1.44:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.44:1
White text on it

14.57:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc −104
As text on black

1.44:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.44:1
As text on white

14.57:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc +101

Nearest versions that pass 4.5:1

For text on white

#422006 14.57:1

It already reaches 14.57:1 on white, so no change is needed.
For text on black

#946C52 4.52:1

Lightening its OKLCH lightness from 0.29 to 0.57 reaches 4.52:1 on black, keeping the hue.

Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #422006 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 #422006

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #422006 sits at step 900.

50#FFF2EB

White
1.09
Black
19.15
100#FFE6D6

White
1.19
Black
17.54
200#F6CEB5

White
1.45
Black
14.41
300#DDB49A

White
1.89
Black
11.06
400#C1977D

White
2.62
Black
7.99
500#A57C62

White
3.71
Black
5.65
600#8C654B

White
5.14
Black
4.07
700#734E36

White
7.31
Black
2.87
800#583720

White
10.59
Black
1.98
900This color#422006

White
14.57
Black
1.44
950#260F01

White
18.24
Black
1.15

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

Tailwind CSS v3 yellow scale

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

50#FEFCE8
White
1.03
Black
20.30
100#FEF9C3
White
1.07
Black
19.55
200#FEF08A
White
1.16
Black
18.04
300#FDE047
White
1.31
Black
15.92
400#FACC15
White
1.53
Black
13.71
500#EAB308
White
1.91
Black
10.95
600#CA8A04
White
2.93
Black
7.14
700#A16207
White
4.92
Black
4.26
800#854D0E
White
6.85
Black
3.06
900#713F12
White
8.67
Black
2.42
950This color#422006

White
14.57
Black
1.44

Gamut

How vivid #422006 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.072; #422006 uses 89% of it. Display P3, which many recent phones and laptops show, reaches 0.082 there: 14% more.

sRGB
Display P3
Rec. 2020
Dominant wavelength

OKLCH chroma: 0.064
sRGB edge: 0.072
Display P3 edge: 0.082
Rec. 2020 edge: 0.083
Dominant wavelength: 590 nm
Excitation purity: 77%
Chromaticity: x 0.5129, y 0.4044

This color#422006
Most vivid in sRGB#451E00
Most vivid in Display P3oklch(0.286 0.082 53.8)

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

Use the wider color where screens show it

.accent {
  color: #422006;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.2604 0.1176 0); }
}

Mixing

Mixing #422006

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%#A19083
OKLab50%#9D887B
OKLCH50%#9D887B

Black #000000

sRGB50%#211003
OKLab50%#140601
OKLCH50%#140601

Its complement #002F43

sRGB50%#212825
OKLab50%#2B2A29
OKLCH50%#163215

In CSS

/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #422006, white);
color: color-mix(in oklch, #422006 50%, white);

In use

#422006 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, 4.5:114.57:1 Passes
Link and body-size textText, 4.5:114.57:1 Passes
Large headingLarge text, 3:114.57:1 Passes
Icons, borders and focus ringsNon-text, 3:114.57:1 Passes

Dark page

Button labelText, 4.5:114.57:1 Passes
Link and body-size textText, 4.5:11.28:1 Fails
Large headingLarge text, 3:11.28:1 Fails
Icons, borders and focus ringsNon-text, 3:11.28:1 Fails

For text on this page, the nearest shade that passes is #9E755B 4.59:1

Color vision

How #422006 looks with color blindness

Achromatopsia changes it most, ΔE2000 17.9; tritanopia changes it least, 11.8.

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

#2A2403 ΔE2000 15.2

Distinct

Reads as very dark grayish brown
Deuteranopia

No working green (medium-wavelength) cones

#322C06 ΔE2000 15.6

Distinct

Reads as very dark muted yellow
Tritanopia

No working blue (short-wavelength) cones

#49191B ΔE2000 11.8

Distinct

Reads as very dark muted brown
Achromatopsia

No cone color vision; lightness only

#292929 ΔE2000 17.9

Distinct

Reads as near-black

Pairing check

Checked against its complement, #002F43. Their lightness contrast is only 1.03:1, so where hue collapses, add a label, icon or pattern.

Vision	The pair	ΔE2000	Verdict
Normal vision	#422006 · #002F43	31.9	Stays distinct
Protanopia	#2A2403 · #252F44	26.7	Stays distinct
Deuteranopia	#322C06 · #1C2943	30.9	Stays distinct
Tritanopia	#49191B · #003436	37.8	Stays distinct
Achromatopsia	#292929 · #2B2B2B	0.6	Easily confused

Harmony

Color harmonies for #422006

Its complement is #002F43, a very dark muted 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#422006
Complement#002F43

Complementary

Open in Harmony Studio

−30°#451C1A
Base#422006
+30°#382700

Analogous

Open in Harmony Studio

Base#422006
+120°#003328
+240°#2C2347

Triadic

Open in Harmony Studio

Base#422006
+150°#003135
+210°#1A294A

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-yellow-950: #422006;
}

Tailwind config

// tailwind.config.js — already built in as yellow-950;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        yellow: { 950: '#422006' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own yellow-950; this pins the v3 value. */
  --color-yellow-950: oklch(0.286 0.064 53.8);
}

Design token (W3C DTCG)

{
  "color": {
    "yellow-950": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.2588, 0.1255, 0.0235],
        "hex": "#422006"
      },
      "$description": "Tailwind CSS v3 yellow-950"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let yellow950 = Color(.sRGB, red: 0.259, green: 0.125, blue: 0.024, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Yellow950 = Color(0xFF422006)
}

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 #422006 in the tools

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

Tailwind yellow-950 #422006

#422006 color codes

Contrast: is #422006 accessible?

Black text on it

White text on it

As text on black

As text on white

Nearest versions that pass 4.5:1

Adjust #422006 live

Shades and tints of #422006

Tailwind CSS v3 yellow scale

How vivid #422006 can get

Mixing #422006

#422006 in an interface

How #422006 looks with color blindness

Protanopia

Deuteranopia

Tritanopia

Achromatopsia

Pairing check

Color harmonies for #422006

Complementary

Analogous

Triadic

Split-complementary

Design tokens

CSS custom property

Tailwind config

Tailwind v4 theme

Design token (W3C DTCG)

SwiftUI color

Jetpack Compose color

The nearest match in each system

Similar colors

Open #422006 in the tools