Tailwind CSS v3 color

Tailwind green-400 #4ADE80

Tailwind CSS v3's green-400 is #4ADE80. It is a light vivid green in the green family. In OKLCH it sits at lightness 0.800, chroma 0.182 and hue 151.7°. The nearest CSS named color is mediumspringgreen (#00FA9A), ΔE2000 6.5 away.

Relative luminance
0.5526
OKLCH L · C · h
0.800 · 0.182 · 151.7
Best text
Black 12.05:1
Hue family
Green
Inspect this color Check contrast

#4ADE80 color codes

HEX
#4ADE80
RGB
rgb(74, 222, 128)
HSL
hsl(142, 69%, 58%)
OKLCH
oklch(0.800 0.182 151.7)
OKLab
oklab(0.800 -0.160 0.086)
CIELAB (D65)
L* 79.19, a* -59.44, b* 34.92
XYZ (D65)
X 32.84, Y 55.25, Z 29.35
CMYK (naive)
cmyk(67%, 0%, 42%, 13%)

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 #4ADE80 accessible?

Black text on it reaches 12.05:1, passing AAA. White text fails at 1.74:1.

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

    12.05:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +72

  • White text on it

    1.74:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −35

  • As text on black

    12.05:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −71

  • As text on white

    1.74:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +31

Nearest versions that pass 4.5:1

  • For text on white

    #008943 4.50:1

    Darkening its OKLCH lightness from 0.80 to 0.55 reaches 4.50:1 on white, keeping the hue.

    Compare both in the Contrast System

  • For text on black

    #4ADE80 12.05:1

    It already reaches 12.05:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #4ADE80 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 #4ADE80

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #4ADE80 sits at step 300.

  1. 50#DFFFE6
    White
    1.07
    Black
    19.58
  2. 100#B9FFCA
    White
    1.15
    Black
    18.21
  3. 200#7DF5A1
    White
    1.35
    Black
    15.44
  4. 300This color#4ADE80
    White
    1.74
    Black
    12.05
  5. 400#23C066
    White
    2.38
    Black
    8.80
  6. 500#00A150
    White
    3.37
    Black
    6.21
  7. 600#008541
    White
    4.73
    Black
    4.43
  8. 700#006A33
    White
    6.75
    Black
    3.10
  9. 800#004E23
    White
    9.93
    Black
    2.11
  10. 900#003315
    White
    14.14
    Black
    1.48
  11. 950#001D09
    White
    17.80
    Black
    1.17

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

Tailwind CSS v3 green scale

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

  1. 50#F0FDF4
    White
    1.04
    Black
    20.06
  2. 100#DCFCE7
    White
    1.09
    Black
    19.12
  3. 200#BBF7D0
    White
    1.21
    Black
    17.32
  4. 300#86EFAC
    White
    1.40
    Black
    14.95
  5. 400This color#4ADE80
    White
    1.74
    Black
    12.05
  6. 500#22C55E
    White
    2.27
    Black
    9.21
  7. 600#16A34A
    White
    3.29
    Black
    6.37
  8. 700#15803D
    White
    5.01
    Black
    4.18
  9. 800#166534
    White
    7.13
    Black
    2.94
  10. 900#14532D
    White
    9.11
    Black
    2.30
  11. 950#052E16
    White
    14.90
    Black
    1.40

Gamut

How vivid #4ADE80 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.212; #4ADE80 uses 86% of it. Display P3, which many recent phones and laptops show, reaches 0.295 there: 39% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.182
sRGB edge
0.212
Display P3 edge
0.295
Rec. 2020 edge
0.438
Dominant wavelength
537 nm
Excitation purity
32%
Chromaticity
x 0.2796, y 0.4705
  • This color#4ADE80
  • Most vivid in sRGB#00E274
  • Most vivid in Display P3oklch(0.800 0.295 151.7)

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

Use the wider color where screens show it
.accent {
  color: #4ade80;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0 0.9158 0.3796); }
}

Mixing

Mixing #4ADE80

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%#A5EFC0
  • OKLab50%#B1F0C0
  • OKLCH50%#B1F0C0

Black #000000

  • sRGB50%#256F40
  • OKLab50%#17552E
  • OKLCH50%#17552E

Its complement #FF8EF1

  • sRGB50%#A5B6B9
  • OKLab50%#BDBEBD
  • OKLCH50%#FFA753
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #4ade80, white);
color: color-mix(in oklch, #4ade80 50%, white);

In use

#4ADE80 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, 4.5:112.05:1 Passes
  • Link and body-size textText, 4.5:11.74:1 Fails
  • Large headingLarge text, 3:11.74:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.74:1 Fails

For text on this page, the nearest shade that passes is #008943 4.50:1

Dark page

  • Button labelText, 4.5:112.05:1 Passes
  • Link and body-size textText, 4.5:110.75:1 Passes
  • Large headingLarge text, 3:110.75:1 Passes
  • Icons, borders and focus ringsNon-text, 3:110.75:1 Passes

Color vision

How #4ADE80 looks with color blindness

Achromatopsia changes it most, ΔE2000 27.2; tritanopia changes it least, 17.5.

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

    #DFCC79 ΔE2000 26.3

    Distinct

    Reads as pale soft amber

  • Deuteranopia

    No working green (medium-wavelength) cones

    #CCBF86 ΔE2000 24.8

    Distinct

    Reads as light muted amber

  • Tritanopia

    No working blue (short-wavelength) cones

    #00DBC7 ΔE2000 17.5

    Distinct

    Reads as light soft cyan

  • Achromatopsia

    No cone color vision; lightness only

    #C4C4C4 ΔE2000 27.2

    Distinct

    Reads as light gray

Pairing check

Checked against its complement, #FF8EF1. Their lightness contrast is only 1.15:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#4ADE80 · #FF8EF182.5Stays distinct
Protanopia#DFCC79 · #8BACF448.8Stays distinct
Deuteranopia#CCBF86 · #AABCEE38.6Stays distinct
Tritanopia#00DBC7 · #FF96B465.4Stays distinct
Achromatopsia#C4C4C4 · #B6B6B63.7Easily confused

Harmony

Color harmonies for #4ADE80

Its complement is #FF8EF1, a light vivid magenta.

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

Open the Harmony Studio
  • Base#4ADE80
  • Complement#FF8EF1

Complementary

Open in Harmony Studio
  • −30°#ACCF29
  • Base#4ADE80
  • +30°#00DBC4

Analogous

Open in Harmony Studio
  • Base#4ADE80
  • +120°#A7BAFF
  • +240°#FFA28F

Triadic

Open in Harmony Studio
  • Base#4ADE80
  • +150°#CCABFF
  • +210°#FF9BB8

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-green-400: #4ade80;
}

Tailwind config

// tailwind.config.js — already built in as green-400;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        green: { 400: '#4ade80' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own green-400; this pins the v3 value. */
  --color-green-400: oklch(0.800 0.182 151.7);
}

Design token (W3C DTCG)

{
  "color": {
    "green-400": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.2902, 0.8706, 0.502],
        "hex": "#4ade80"
      },
      "$description": "Tailwind CSS v3 green-400"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let green400 = Color(.sRGB, red: 0.290, green: 0.871, blue: 0.502, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Green400 = Color(0xFF4ADE80)
}

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 #4ADE80 in the tools

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