Tailwind CSS v3 color

Tailwind amber-900 #78350F

Tailwind CSS v3's amber-900 is #78350F. It is a dark soft brown in the brown family. In OKLCH it sits at lightness 0.414, chroma 0.105 and hue 45.9°. The nearest CSS named color is saddlebrown (#8B4513), ΔE2000 6.1 away.

Relative luminance
0.0657
OKLCH L · C · h
0.414 · 0.105 · 45.9
Best text
White 9.07:1
Hue family
Brown

#78350F color codes

HEX
#78350F
RGB
rgb(120, 53, 15)
HSL
hsl(22, 78%, 26%)
OKLCH
oklch(0.414 0.105 45.9)
OKLab
oklab(0.414 0.073 0.076)
CIELAB (D65)
L* 30.82, a* 26.98, b* 35.71
XYZ (D65)
X 9.11, Y 6.57, Z 1.24
CMYK (naive)
cmyk(0%, 56%, 88%, 53%)

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 #78350F accessible?

White text on it reaches 9.07:1, passing AAA. Black text fails at 2.31:1.

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

    2.31:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +13
  • White text on it

    9.07:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −94
  • As text on black

    2.31:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −11
  • As text on white

    9.07:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +90

Nearest versions that pass 4.5:1

  • For text on white

    #78350F 9.07:1

    It already reaches 9.07:1 on white, so no change is needed.

  • For text on black

    #A9623F 4.50:1

    Lightening its OKLCH lightness from 0.41 to 0.57 reaches 4.50:1 on black, keeping the hue.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #78350F 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 #78350F

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #78350F sits at step 800.

  1. 50#FFF2EC
    White
    1.09
    Black
    19.16
  2. 100#FFE5D9
    White
    1.20
    Black
    17.46
  3. 200#FFCAB2
    White
    1.46
    Black
    14.34
  4. 300#F3AA87
    White
    1.92
    Black
    10.91
  5. 400#D78D69
    White
    2.65
    Black
    7.90
  6. 500#BA714E
    White
    3.77
    Black
    5.55
  7. 600#A05937
    White
    5.27
    Black
    3.97
  8. 700#854321
    White
    7.44
    Black
    2.82
  9. 800This color#78350F
    White
    9.07
    Black
    2.31
  10. 900#471900
    White
    14.92
    Black
    1.40
  11. 950#2A0B00
    White
    18.31
    Black
    1.14

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. 500#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. 900This color#78350F
    White
    9.07
    Black
    2.31
  11. 950#451A03
    White
    14.97
    Black
    1.40

Gamut

How vivid #78350F can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.117; #78350F uses 90% of it. Display P3, which many recent phones and laptops show, reaches 0.132 there: 13% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.105
sRGB edge
0.117
Display P3 edge
0.132
Rec. 2020 edge
0.133
Dominant wavelength
594 nm
Excitation purity
80%
Chromaticity
x 0.5381, y 0.3885
  • This color#78350F
  • Most vivid in sRGB#7C3100
  • Most vivid in Display P3oklch(0.414 0.132 45.9)

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

Use the wider color where screens show it
.accent {
  color: #78350f;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.4697 0.1929 0); }
}

Mixing

Mixing #78350F

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%#BC9A87
  • OKLab50%#BD9785
  • OKLCH50%#BD9785

Black #000000

  • sRGB50%#3C1B08
  • OKLab50%#2A0E02
  • OKLCH50%#2A0E02

Its complement #00546C

  • sRGB50%#3C453E
  • OKLab50%#524A45
  • OKLCH50%#34561F
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #78350f, white);
color: color-mix(in oklch, #78350f 50%, white);

In use

#78350F 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, 4.5:19.07:1 Passes
  • Link and body-size textText, 4.5:19.07:1 Passes
  • Large headingLarge text, 3:19.07:1 Passes
  • Icons, borders and focus ringsNon-text, 3:19.07:1 Passes

Dark page

  • Button labelText, 4.5:19.07:1 Passes
  • Link and body-size textText, 4.5:12.06:1 Fails
  • Large headingLarge text, 3:12.06:1 Fails
  • Icons, borders and focus ringsNon-text, 3:12.06:1 Fails

For text on this page, the nearest shade that passes is #B36A47 4.52:1

Color vision

How #78350F looks with color blindness

Achromatopsia changes it most, ΔE2000 23.2; tritanopia changes it least, 14.9.

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

    #483F09 ΔE2000 21.3

    Distinct

    Reads as dark muted brown

  • Deuteranopia

    No working green (medium-wavelength) cones

    #584E0D ΔE2000 22.2

    Distinct

    Reads as dark muted brown

  • Tritanopia

    No working blue (short-wavelength) cones

    #84262E ΔE2000 14.9

    Distinct

    Reads as dark soft brown

  • Achromatopsia

    No cone color vision; lightness only

    #494949 ΔE2000 23.2

    Distinct

    Reads as dark gray

Pairing check

Checked against its complement, #00546C. Their lightness contrast is only 1.07:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#78350F · #00546C41.9Stays distinct
Protanopia#483F09 · #47526D34.1Stays distinct
Deuteranopia#584E0D · #3A496C38.5Stays distinct
Tritanopia#84262E · #005B5C45.8Stays distinct
Achromatopsia#494949 · #4D4D4D1.4Easily confused

Harmony

Color harmonies for #78350F

Its complement is #00546C, a 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#78350F
  • Complement#00546C

Complementary

Open in Harmony Studio
  • −30°#7A2F37
  • Base#78350F
  • +30°#664400
  • Base#78350F
  • +120°#005A40
  • +240°#484081
  • Base#78350F
  • +150°#005758
  • +210°#204B83

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-900: #78350f;
}

Tailwind config

// tailwind.config.js — already built in as amber-900;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        amber: { 900: '#78350f' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own amber-900; this pins the v3 value. */
  --color-amber-900: oklch(0.414 0.105 45.9);
}

Design token (W3C DTCG)

{
  "color": {
    "amber-900": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.4706, 0.2078, 0.0588],
        "hex": "#78350f"
      },
      "$description": "Tailwind CSS v3 amber-900"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let amber900 = Color(.sRGB, red: 0.471, green: 0.208, blue: 0.059, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Amber900 = Color(0xFF78350F)
}

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 #78350F in the tools

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