Tailwind CSS v3 color

Tailwind lime-800 #3F6212

Tailwind CSS v3's lime-800 is #3F6212. It is a dark soft green in the green family. In OKLCH it sits at lightness 0.453, chroma 0.113 and hue 130.9°. The nearest CSS named color is darkolivegreen (#556B2F), ΔE2000 5.6 away.

Relative luminance
0.0984
OKLCH L · C · h
0.453 · 0.113 · 130.9
Best text
White 7.07:1
Hue family
Green
Inspect this color Check contrast

#3F6212 color codes

HEX
#3F6212
RGB
rgb(63, 98, 18)
HSL
hsl(86, 69%, 23%)
OKLCH
oklch(0.453 0.113 130.9)
OKLab
oklab(0.453 -0.074 0.085)
CIELAB (D65)
L* 37.55, a* -26.05, b* 38.46
XYZ (D65)
X 6.53, Y 9.84, Z 2.13
CMYK (naive)
cmyk(36%, 0%, 82%, 62%)

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 #3F6212 accessible?

White text on it reaches 7.07:1, passing AAA. Black text fails at 2.96:1.

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

    2.96:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +19

  • White text on it

    7.07:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −89

  • As text on black

    2.96:1

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

  • As text on white

    7.07:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +84

Nearest versions that pass 4.5:1

  • For text on white

    #3F6212 7.07:1

    It already reaches 7.07:1 on white, so no change is needed.

  • For text on black

    #5B7F34 4.53:1

    Lightening its OKLCH lightness from 0.45 to 0.55 reaches 4.53:1 on black, keeping the hue.

    Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #3F6212 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 #3F6212

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #3F6212 sits at step 700.

  1. 50#E6FFD1
    White
    1.07
    Black
    19.58
  2. 100#D6F9B7
    White
    1.16
    Black
    18.09
  3. 200#C1E5A0
    White
    1.40
    Black
    14.98
  4. 300#A6CC83
    White
    1.81
    Black
    11.58
  5. 400#89B065
    White
    2.48
    Black
    8.46
  6. 500#6E9448
    White
    3.50
    Black
    5.99
  7. 600#577C30
    White
    4.84
    Black
    4.33
  8. 700This color#3F6212
    White
    7.07
    Black
    2.96
  9. 800#2C4A00
    White
    10.06
    Black
    2.08
  10. 900#1B3000
    White
    14.29
    Black
    1.46
  11. 950#0D1B00
    White
    17.88
    Black
    1.17

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

Tailwind CSS v3 lime scale

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

  1. 50#F7FEE7
    White
    1.03
    Black
    20.28
  2. 100#ECFCCB
    White
    1.08
    Black
    19.35
  3. 200#D9F99D
    White
    1.16
    Black
    17.98
  4. 300#BEF264
    White
    1.30
    Black
    16.07
  5. 400#A3E635
    White
    1.50
    Black
    13.92
  6. 500#84CC16
    White
    1.97
    Black
    10.62
  7. 600#65A30D
    White
    3.08
    Black
    6.79
  8. 700#4D7C0F
    White
    4.99
    Black
    4.20
  9. 800This color#3F6212
    White
    7.07
    Black
    2.96
  10. 900#365314
    White
    8.73
    Black
    2.40
  11. 950#1A2E05
    White
    14.61
    Black
    1.43

Gamut

How vivid #3F6212 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.124; #3F6212 uses 91% of it. Display P3, which many recent phones and laptops show, reaches 0.145 there: 17% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.113
sRGB edge
0.124
Display P3 edge
0.145
Rec. 2020 edge
0.150
Dominant wavelength
560 nm
Excitation purity
68%
Chromaticity
x 0.3530, y 0.5320
  • This color#3F6212
  • Most vivid in sRGB#3C6300
  • Most vivid in Display P3oklch(0.453 0.145 130.9)

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

Use the wider color where screens show it
.accent {
  color: #3f6212;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.2594 0.3899 0); }
}

Mixing

Mixing #3F6212

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%#9FB189
  • OKLab50%#9AAE89
  • OKLCH50%#9AAE89

Black #000000

  • sRGB50%#203109
  • OKLab50%#122102
  • OKLCH50%#122102

Its complement #6A4184

  • sRGB50%#55524B
  • OKLab50%#565656
  • OKLCH50%#006076
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #3f6212, white);
color: color-mix(in oklch, #3f6212 50%, white);

In use

#3F6212 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, 4.5:17.07:1 Passes
  • Link and body-size textText, 4.5:17.07:1 Passes
  • Large headingLarge text, 3:17.07:1 Passes
  • Icons, borders and focus ringsNon-text, 3:17.07:1 Passes

Dark page

  • Button labelText, 4.5:17.07:1 Passes
  • Link and body-size textText, 4.5:12.64:1 Fails
  • Large headingLarge text, 3:12.64:1 Fails
  • Icons, borders and focus ringsNon-text, 3:12.64:1 Fails

For text on this page, the nearest shade that passes is #62873B 4.50:1

Color vision

How #3F6212 looks with color blindness

Achromatopsia changes it most, ΔE2000 23.4; deuteranopia changes it least, 13.7.

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

    #675A01 ΔE2000 14.7

    Distinct

    Reads as dark muted brown

  • Deuteranopia

    No working green (medium-wavelength) cones

    #62571A ΔE2000 13.7

    Distinct

    Reads as dark muted brown

  • Tritanopia

    No working blue (short-wavelength) cones

    #405D53 ΔE2000 18.4

    Distinct

    Reads as dark grayish teal

  • Achromatopsia

    No cone color vision; lightness only

    #585858 ΔE2000 23.4

    Distinct

    Reads as dark gray

Pairing check

Checked against its complement, #6A4184. Their lightness contrast is only 1.09:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#3F6212 · #6A418460.6Stays distinct
Protanopia#675A01 · #31508646.5Stays distinct
Deuteranopia#62571A · #3C538241.4Stays distinct
Tritanopia#405D53 · #674C5C30.0Stays distinct
Achromatopsia#585858 · #5252522.1Easily confused

Harmony

Color harmonies for #3F6212

Its complement is #6A4184, a dark soft violet.

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

Open the Harmony Studio
  • Base#3F6212
  • Complement#6A4184

Complementary

Open in Harmony Studio
  • −30°#625700
  • Base#3F6212
  • +30°#006743

Analogous

Open in Harmony Studio
  • Base#3F6212
  • +120°#1B5892
  • +240°#893746

Triadic

Open in Harmony Studio
  • Base#3F6212
  • +150°#4C4C93
  • +210°#7E3969

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-lime-800: #3f6212;
}

Tailwind config

// tailwind.config.js — already built in as lime-800;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        lime: { 800: '#3f6212' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own lime-800; this pins the v3 value. */
  --color-lime-800: oklch(0.453 0.113 130.9);
}

Design token (W3C DTCG)

{
  "color": {
    "lime-800": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.2471, 0.3843, 0.0706],
        "hex": "#3f6212"
      },
      "$description": "Tailwind CSS v3 lime-800"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let lime800 = Color(.sRGB, red: 0.247, green: 0.384, blue: 0.071, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Lime800 = Color(0xFF3F6212)
}

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 #3F6212 in the tools

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