Tailwind CSS v3 color

Tailwind green-50 #F0FDF4

Tailwind CSS v3's green-50 is #F0FDF4. It is an off-white in the neutral family. In OKLCH it sits at lightness 0.982 with chroma 0.018, too low for hue to matter. The nearest CSS named color is mintcream (#F5FFFA), ΔE2000 2.3 away.

Relative luminance: 0.9531
OKLCH L · C · h: 0.982 · 0.018 · 155.8
Best text: Black 20.06:1
Hue family: Neutral

Inspect this color Check contrast

#F0FDF4 color codes

HEX: #F0FDF4
RGB: rgb(240, 253, 244)
HSL: hsl(138, 76%, 97%)
OKLCH: oklch(0.982 0.018 155.8)
OKLab: oklab(0.982 -0.016 0.007)
CIELAB (D65): L* 98.16, a* -5.86, b* 2.83
XYZ (D65): X 87.39, Y 95.31, Z 99.36
CMYK (naive): cmyk(5%, 0%, 4%, 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 #F0FDF4 accessible?

Black text on it reaches 20.06:1, passing AAA. White text fails at 1.04:1.

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

20.06:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc +102
White text on it

1.04:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.04:1
As text on black

20.06:1
- AA passes
- AA large passes
- AAA passes
- APCA Lc −104
As text on white

1.04:1
- AA fails
- AA large fails
- AAA fails
- APCA Lc 0
Text is here, unreadable at 1.04:1

Nearest versions that pass 4.5:1

For text on white

#6D7871 4.58:1

Darkening its OKLCH lightness from 0.98 to 0.56 reaches 4.58:1 on white, keeping the hue.

Compare both in the Contrast System
For text on black

#F0FDF4 20.06:1

It already reaches 20.06:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #F0FDF4 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 #F0FDF4

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #F0FDF4 sits at step 50.

50This color#F0FDF4

White
1.04
Black
20.06
100#E4EEE7

White
1.18
Black
17.68
200#D0DBD3

White
1.42
Black
14.75
300#B6C1B9

White
1.85
Black
11.31
400#99A59D

White
2.55
Black
8.22
500#7E8A82

White
3.59
Black
5.84
600#67726A

White
5.00
Black
4.19
700#515B54

White
7.06
Black
2.97
800#39423C

White
10.40
Black
2.01
900#232B26

White
14.53
Black
1.44
950#111813

White
18.04
Black
1.16

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.

50This color#F0FDF4

White
1.04
Black
20.06
100#DCFCE7
White
1.09
Black
19.12
200#BBF7D0
White
1.21
Black
17.32
300#86EFAC
White
1.40
Black
14.95
400#4ADE80
White
1.74
Black
12.05
500#22C55E
White
2.27
Black
9.21
600#16A34A
White
3.29
Black
6.37
700#15803D
White
5.01
Black
4.18
800#166534
White
7.13
Black
2.94
900#14532D
White
9.11
Black
2.30
950#052E16
White
14.90
Black
1.40

Gamut

How vivid #F0FDF4 can get

A gray has no hue, so no gamut holds a more vivid version of #F0FDF4: more chroma would make it another color.

sRGB
Display P3
Rec. 2020
Dominant wavelength

OKLCH chroma: 0.018
sRGB edge: No hue
Display P3 edge: No hue
Rec. 2020 edge: No hue
Dominant wavelength: None, near white
Excitation purity: 2%
Chromaticity: x 0.3098, y 0.3379

Mixing

Mixing #F0FDF4

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%#F8FEFA
OKLab50%#F8FEF9
OKLCH50%#F8FEF9

Black #000000

sRGB50%#787F7A
OKLab50%#5D625E
OKLCH50%#5D625E

In CSS

/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #f0fdf4, white);
color: color-mix(in oklch, #f0fdf4 50%, white);

In use

#F0FDF4 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, 4.5:120.06:1 Passes
Link and body-size textText, 4.5:11.04:1 Fails
Large headingLarge text, 3:11.04:1 Fails
Icons, borders and focus ringsNon-text, 3:11.04:1 Fails

For text on this page, the nearest shade that passes is #6D7871 4.58:1

Dark page

Button labelText, 4.5:120.06:1 Passes
Link and body-size textText, 4.5:117.89:1 Passes
Large headingLarge text, 3:117.89:1 Passes
Icons, borders and focus ringsNon-text, 3:117.89:1 Passes

Color vision

How #F0FDF4 looks with color blindness

As a neutral it barely changes under any simulation, ΔE2000 7.6 at most.

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

#FDFBF4 ΔE2000 6.7

Noticeable

Reads as white
Deuteranopia

No working green (medium-wavelength) cones

#FAF9F4 ΔE2000 6.6

Noticeable

Reads as off-white
Tritanopia

No working blue (short-wavelength) cones

#EEFDFA ΔE2000 2.7

Close match

Reads as off-white
Achromatopsia

No cone color vision; lightness only

#FAFAFA ΔE2000 7.6

Noticeable

Reads as 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 #F0FDF4

A neutral has no hue to rotate, so every harmony collapses back to the same gray. Pair it with an accent color instead.

Or pair it by lightness: steps of its own scale as text on it, and what each can carry.

Build a lightness scale in Harmony Studio

Step 950 #111813 · 17.23:1

Body text, AAA
Step 700 #515B54 · 6.74:1

Body text, AA
Step 300 #B6C1B9 · 1.77:1

Decoration only, under 3:1

Code

Design tokens

Ready-to-paste tokens in six formats. Rename them to fit your system.

CSS custom property

:root {
  --color-green-50: #f0fdf4;
}

Tailwind config

// tailwind.config.js — already built in as green-50;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        green: { 50: '#f0fdf4' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own green-50; this pins the v3 value. */
  --color-green-50: oklch(0.982 0.018 155.8);
}

Design token (W3C DTCG)

{
  "color": {
    "green-50": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.9412, 0.9922, 0.9569],
        "hex": "#f0fdf4"
      },
      "$description": "Tailwind CSS v3 green-50"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let green50 = Color(.sRGB, red: 0.941, green: 0.992, blue: 0.957, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Green50 = Color(0xFFF0FDF4)
}

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 #F0FDF4 in the tools

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