Tailwind CSS v3 color

Tailwind red-100 #FEE2E2

Tailwind CSS v3's red-100 is #FEE2E2. It is a pale grayish red in the neutral family. In OKLCH it sits at lightness 0.936, chroma 0.031 and hue 17.7°. The nearest CSS named color is mistyrose (#FFE4E1), ΔE2000 1.5 away.

Relative luminance
0.8095
OKLCH L · C · h
0.936 · 0.031 · 17.7
Best text
Black 17.19:1
Hue family
Neutral

#FEE2E2 color codes

HEX
#FEE2E2
RGB
rgb(254, 226, 226)
HSL
hsl(0, 93%, 94%)
OKLCH
oklch(0.936 0.031 17.7)
OKLab
oklab(0.936 0.029 0.009)
CIELAB (D65)
L* 92.11, a* 9.59, b* 3.52
XYZ (D65)
X 81.80, Y 80.96, Z 83.25
CMYK (naive)
cmyk(0%, 11%, 11%, 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 #FEE2E2 accessible?

Black text on it reaches 17.19:1, passing AAA. White text fails at 1.22:1.

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

    17.19:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +92
  • White text on it

    1.22:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −12

    Text is here, unreadable at 1.22:1

  • As text on black

    17.19:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −93
  • As text on white

    1.22:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +10

    Text is here, unreadable at 1.22:1

Nearest versions that pass 4.5:1

  • For text on white

    #897171 4.50:1

    Darkening its OKLCH lightness from 0.94 to 0.57 reaches 4.50:1 on white, keeping the hue.

  • For text on black

    #FEE2E2 17.19:1

    It already reaches 17.19:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #FEE2E2 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 #FEE2E2

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #FEE2E2 sits at step 100.

  1. 50#FFF1F1
    White
    1.09
    Black
    19.10
  2. 100This color#FEE2E2
    White
    1.22
    Black
    17.19
  3. 200#E9D1D1
    White
    1.44
    Black
    14.50
  4. 300#D0B7B7
    White
    1.88
    Black
    11.13
  5. 400#B49A9A
    White
    2.61
    Black
    8.02
  6. 500#987F7F
    White
    3.69
    Black
    5.67
  7. 600#806868
    White
    5.12
    Black
    4.09
  8. 700#685252
    White
    7.19
    Black
    2.91
  9. 800#4E3A3A
    White
    10.55
    Black
    1.99
  10. 900#352424
    White
    14.69
    Black
    1.42
  11. 950#201212
    White
    18.15
    Black
    1.15

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

Tailwind CSS v3 red scale

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

  1. 50#FEF2F2
    White
    1.09
    Black
    19.19
  2. 100This color#FEE2E2
    White
    1.22
    Black
    17.19
  3. 200#FECACA
    White
    1.44
    Black
    14.51
  4. 300#FCA5A5
    White
    1.89
    Black
    11.06
  5. 400#F87171
    White
    2.76
    Black
    7.59
  6. 500#EF4444
    White
    3.76
    Black
    5.58
  7. 600#DC2626
    White
    4.82
    Black
    4.34
  8. 700#B91C1C
    White
    6.47
    Black
    3.24
  9. 800#991B1B
    White
    8.31
    Black
    2.52
  10. 900#7F1D1D
    White
    10.01
    Black
    2.09
  11. 950#450A0A
    White
    16.14
    Black
    1.30

Gamut

How vivid #FEE2E2 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.032; #FEE2E2 uses 95% of it. Display P3, which many recent phones and laptops show, reaches 0.042 there: 31% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.031
sRGB edge
0.032
Display P3 edge
0.042
Rec. 2020 edge
0.064
Dominant wavelength
611 nm
Excitation purity
6%
Chromaticity
x 0.3325, y 0.3291
  • This color#FEE2E2
  • Most vivid in sRGB#FFE2E2
  • Most vivid in Display P3oklch(0.936 0.042 17.7)

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

Use the wider color where screens show it
.accent {
  color: #fee2e2;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 1 0.8802 0.8779); }
}

Mixing

Mixing #FEE2E2

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%#FFF1F1
  • OKLab50%#FFF0F0
  • OKLCH50%#FFF0F0

Black #000000

  • sRGB50%#7F7171
  • OKLab50%#635757
  • OKLCH50%#635757

Its complement #D3F1F1

  • sRGB50%#E9EAEA
  • OKLab50%#EAEAEA
  • OKLCH50%#ECECD4
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #fee2e2, white);
color: color-mix(in oklch, #fee2e2 50%, white);

In use

#FEE2E2 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, 4.5:117.19:1 Passes
  • Link and body-size textText, 4.5:11.22:1 Fails
  • Large headingLarge text, 3:11.22:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.22:1 Fails

For text on this page, the nearest shade that passes is #897171 4.50:1

Dark page

  • Button labelText, 4.5:117.19:1 Passes
  • Link and body-size textText, 4.5:115.33:1 Passes
  • Large headingLarge text, 3:115.33:1 Passes
  • Icons, borders and focus ringsNon-text, 3:115.33:1 Passes

Color vision

How #FEE2E2 looks with color blindness

Deuteranopia changes it most, ΔE2000 12.2; tritanopia changes it least, 1.4.

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

    #E7E5E2 ΔE2000 10.9

    Distinct

    Reads as off-white

  • Deuteranopia

    No working green (medium-wavelength) cones

    #EDEAE2 ΔE2000 12.2

    Distinct

    Reads as off-white

  • Tritanopia

    No working blue (short-wavelength) cones

    #FFE0E2 ΔE2000 1.4

    Very close

    Reads as pale grayish pink

  • Achromatopsia

    No cone color vision; lightness only

    #E8E8E8 ΔE2000 11.1

    Distinct

    Reads as off-white

Pairing check

A near-neutral has no complementary hue to pair with, so tell it apart from neighboring grays by lightness contrast alone.

Harmony

Color harmonies for #FEE2E2

Its complement is #D3F1F1, a pale grayish cyan.

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

Open the Harmony Studio
  • Base#FEE2E2
  • Complement#D3F1F1

Complementary

Open in Harmony Studio
  • −30°#FBE2ED
  • Base#FEE2E2
  • +30°#FCE4D8
  • Base#FEE2E2
  • +120°#E0EFDB
  • +240°#DDEBFF
  • Base#FEE2E2
  • +150°#D7F1E6
  • +210°#D5EEFA

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-red-100: #fee2e2;
}

Tailwind config

// tailwind.config.js — already built in as red-100;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        red: { 100: '#fee2e2' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own red-100; this pins the v3 value. */
  --color-red-100: oklch(0.936 0.031 17.7);
}

Design token (W3C DTCG)

{
  "color": {
    "red-100": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.9961, 0.8863, 0.8863],
        "hex": "#fee2e2"
      },
      "$description": "Tailwind CSS v3 red-100"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let red100 = Color(.sRGB, red: 0.996, green: 0.886, blue: 0.886, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Red100 = Color(0xFFFEE2E2)
}

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 #FEE2E2 in the tools

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