Tailwind CSS v3 color

Tailwind yellow-300 #FDE047

Tailwind CSS v3's yellow-300 is #FDE047. It is a pale soft amber in the yellow family. In OKLCH it sits at lightness 0.905, chroma 0.166 and hue 98.1°. The nearest CSS named color is gold (#FFD700), ΔE2000 4.0 away.

Relative luminance
0.7465
OKLCH L · C · h
0.905 · 0.166 · 98.1
Best text
Black 15.92:1
Hue family
Yellow
Inspect this color Check contrast

#FDE047 color codes

HEX
#FDE047
RGB
rgb(253, 224, 71)
HSL
hsl(50, 98%, 64%)
OKLCH
oklch(0.905 0.166 98.1)
OKLab
oklab(0.905 -0.023 0.164)
CIELAB (D65)
L* 89.23, a* -5.72, b* 74.22
XYZ (D65)
X 68.30, Y 74.65, Z 16.77
CMYK (naive)
cmyk(0%, 11%, 72%, 1%)

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 #FDE047 accessible?

Black text on it reaches 15.92:1, passing AAA. White text fails at 1.31:1.

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

    15.92:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +88

  • White text on it

    1.31:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −17

    Text is here, unreadable at 1.31:1

  • As text on black

    15.92:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −88

  • As text on white

    1.31:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +15

    Text is here, unreadable at 1.31:1

Nearest versions that pass 4.5:1

  • For text on white

    #887600 4.52:1

    Darkening its OKLCH lightness from 0.91 to 0.57 reaches 4.52:1 on white, keeping the hue.

    Compare both in the Contrast System

  • For text on black

    #FDE047 15.92:1

    It already reaches 15.92:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #FDE047 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 #FDE047

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #FDE047 sits at step 200.

  1. 50#FFF6CA
    White
    1.08
    Black
    19.28
  2. 100#FFEC91
    White
    1.18
    Black
    17.65
  3. 200This color#FDE047
    White
    1.31
    Black
    15.92
  4. 300#D8BE29
    White
    1.85
    Black
    11.31
  5. 400#BAA100
    White
    2.56
    Black
    8.18
  6. 500#9B8600
    White
    3.61
    Black
    5.80
  7. 600#806E00
    White
    5.06
    Black
    4.14
  8. 700#665800
    White
    7.09
    Black
    2.96
  9. 800#4B4000
    White
    10.33
    Black
    2.03
  10. 900#312900
    White
    14.50
    Black
    1.44
  11. 950#1B1600
    White
    18.08
    Black
    1.16

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.

  1. 50#FEFCE8
    White
    1.03
    Black
    20.30
  2. 100#FEF9C3
    White
    1.07
    Black
    19.55
  3. 200#FEF08A
    White
    1.16
    Black
    18.04
  4. 300This color#FDE047
    White
    1.31
    Black
    15.92
  5. 400#FACC15
    White
    1.53
    Black
    13.71
  6. 500#EAB308
    White
    1.91
    Black
    10.95
  7. 600#CA8A04
    White
    2.93
    Black
    7.14
  8. 700#A16207
    White
    4.92
    Black
    4.26
  9. 800#854D0E
    White
    6.85
    Black
    3.06
  10. 900#713F12
    White
    8.67
    Black
    2.42
  11. 950#422006
    White
    14.57
    Black
    1.44

Gamut

How vivid #FDE047 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.177; #FDE047 uses 94% of it. Display P3, which many recent phones and laptops show, reaches 0.210 there: 19% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.166
sRGB edge
0.177
Display P3 edge
0.210
Rec. 2020 edge
0.222
Dominant wavelength
574 nm
Excitation purity
71%
Chromaticity
x 0.4276, y 0.4674
  • This color#FDE047
  • Most vivid in sRGB#FFE031
  • Most vivid in Display P3oklch(0.905 0.210 98.1)

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

Use the wider color where screens show it
.accent {
  color: #fde047;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 1 0.8782 0.1249); }
}

Mixing

Mixing #FDE047

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%#FEF0A3
  • OKLab50%#FEF1B0
  • OKLCH50%#FEF1B0

Black #000000

  • sRGB50%#7F7024
  • OKLab50%#625616
  • OKLCH50%#625616

Its complement #D8DDFF

  • sRGB50%#EBDFA3
  • OKLab50%#EAE1B4
  • OKLCH50%#FFD2D9
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #fde047, white);
color: color-mix(in oklch, #fde047 50%, white);

In use

#FDE047 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, 4.5:115.92:1 Passes
  • Link and body-size textText, 4.5:11.31:1 Fails
  • Large headingLarge text, 3:11.31:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.31:1 Fails

For text on this page, the nearest shade that passes is #887600 4.52:1

Dark page

  • Button labelText, 4.5:115.92:1 Passes
  • Link and body-size textText, 4.5:114.21:1 Passes
  • Large headingLarge text, 3:114.21:1 Passes
  • Icons, borders and focus ringsNon-text, 3:114.21:1 Passes

Color vision

How #FDE047 looks with color blindness

Tritanopia changes it most, ΔE2000 30.2; deuteranopia changes it least, 1.2.

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

    #F6DB2D ΔE2000 1.9

    Very close

    Reads as pale vivid amber

  • Deuteranopia

    No working green (medium-wavelength) cones

    #FEE451 ΔE2000 1.2

    Very close

    Reads as pale soft amber

  • Tritanopia

    No working blue (short-wavelength) cones

    #FFCFC2 ΔE2000 30.2

    Distinct

    Reads as pale muted red

  • Achromatopsia

    No cone color vision; lightness only

    #E0E0E0 ΔE2000 27.8

    Distinct

    Reads as off-white

Pairing check

Checked against its complement, #D8DDFF. Their lightness contrast is only 1.01:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#FDE047 · #D8DDFF44.5Stays distinct
Protanopia#F6DB2D · #D4E0FF43.7Stays distinct
Deuteranopia#FEE451 · #D2DDFE43.5Stays distinct
Tritanopia#FFCFC2 · #D0E3E827.6Stays distinct
Achromatopsia#E0E0E0 · #DFDFDF0.2Easily confused

Harmony

Color harmonies for #FDE047

Its complement is #D8DDFF, a pale grayish 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#FDE047
  • Complement#D8DDFF

Complementary

Open in Harmony Studio
  • −30°#FFD8AF
  • Base#FDE047
  • +30°#BFF476

Analogous

Open in Harmony Studio
  • Base#FDE047
  • +120°#ABECFF
  • +240°#FFCFF0

Triadic

Open in Harmony Studio
  • Base#FDE047
  • +150°#C7E3FF
  • +210°#EBD6FF

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-300: #fde047;
}

Tailwind config

// tailwind.config.js — already built in as yellow-300;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        yellow: { 300: '#fde047' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own yellow-300; this pins the v3 value. */
  --color-yellow-300: oklch(0.905 0.166 98.1);
}

Design token (W3C DTCG)

{
  "color": {
    "yellow-300": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.9922, 0.8784, 0.2784],
        "hex": "#fde047"
      },
      "$description": "Tailwind CSS v3 yellow-300"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let yellow300 = Color(.sRGB, red: 0.992, green: 0.878, blue: 0.278, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Yellow300 = Color(0xFFFDE047)
}

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 #FDE047 in the tools

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