Tailwind CSS v3 color

Tailwind emerald-800 #065F46

Tailwind CSS v3's emerald-800 is #065F46. It is a dark muted green in the green family. In OKLCH it sits at lightness 0.432, chroma 0.086 and hue 166.9°. The nearest CSS named color is darkslategray (#2F4F4F), ΔE2000 13.6 away.

Relative luminance
0.0867
OKLCH L · C · h
0.432 · 0.086 · 166.9
Best text
White 7.68:1
Hue family
Green
Inspect this color Check contrast

#065F46 color codes

HEX
#065F46
RGB
rgb(6, 95, 70)
HSL
hsl(163, 88%, 20%)
OKLCH
oklch(0.432 0.086 166.9)
OKLab
oklab(0.432 -0.084 0.020)
CIELAB (D65)
L* 35.33, a* -30.57, b* 7.67
XYZ (D65)
X 5.27, Y 8.66, Z 7.19
CMYK (naive)
cmyk(94%, 0%, 26%, 63%)

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 #065F46 accessible?

White text on it reaches 7.68:1, passing AAA. Black text fails at 2.73:1.

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

    2.73:1

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

  • White text on it

    7.68:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −91

  • As text on black

    2.73:1

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

  • As text on white

    7.68:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +86

Nearest versions that pass 4.5:1

  • For text on white

    #065F46 7.68:1

    It already reaches 7.68:1 on white, so no change is needed.

  • For text on black

    #378267 4.55:1

    Lightening its OKLCH lightness from 0.43 to 0.55 reaches 4.55:1 on black, keeping the hue.

    Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #065F46 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 #065F46

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #065F46 sits at step 700.

  1. 50#DBFFEF
    White
    1.07
    Black
    19.56
  2. 100#BEFBE1
    White
    1.16
    Black
    18.07
  3. 200#A7E8CD
    White
    1.39
    Black
    15.06
  4. 300#89CFB3
    White
    1.80
    Black
    11.63
  5. 400#6AB396
    White
    2.47
    Black
    8.50
  6. 500#4D977B
    White
    3.48
    Black
    6.02
  7. 600#347F64
    White
    4.81
    Black
    4.36
  8. 700This color#065F46
    White
    7.68
    Black
    2.73
  9. 800#004C37
    White
    10.05
    Black
    2.08
  10. 900#003223
    White
    14.18
    Black
    1.48
  11. 950#001C12
    White
    17.87
    Black
    1.17

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

Tailwind CSS v3 emerald scale

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

  1. 50#ECFDF5
    White
    1.05
    Black
    19.93
  2. 100#D1FAE5
    White
    1.13
    Black
    18.51
  3. 200#A7F3D0
    White
    1.28
    Black
    16.37
  4. 300#6EE7B7
    White
    1.52
    Black
    13.77
  5. 400#34D399
    White
    1.92
    Black
    10.92
  6. 500#10B981
    White
    2.53
    Black
    8.27
  7. 600#059669
    White
    3.76
    Black
    5.57
  8. 700#047857
    White
    5.48
    Black
    3.82
  9. 800This color#065F46
    White
    7.68
    Black
    2.73
  10. 900#064E3B
    White
    9.71
    Black
    2.16
  11. 950#022C22
    White
    15.15
    Black
    1.38

Gamut

How vivid #065F46 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.089; #065F46 uses 97% of it. Display P3, which many recent phones and laptops show, reaches 0.121 there: 37% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.086
sRGB edge
0.089
Display P3 edge
0.121
Rec. 2020 edge
0.191
Dominant wavelength
508 nm
Excitation purity
21%
Chromaticity
x 0.2496, y 0.4102
  • This color#065F46
  • Most vivid in sRGB#005F46
  • Most vivid in Display P3oklch(0.432 0.121 166.9)

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

Use the wider color where screens show it
.accent {
  color: #065f46;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0 0.3845 0.2665); }
}

Mixing

Mixing #065F46

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%#83AFA3
  • OKLab50%#8AAC9E
  • OKLCH50%#8AAC9E

Black #000000

  • sRGB50%#033023
  • OKLab50%#012015
  • OKLCH50%#012015

Its complement #723B59

  • sRGB50%#3C4D50
  • OKLab50%#505050
  • OKLCH50%#6A4908
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #065f46, white);
color: color-mix(in oklch, #065f46 50%, white);

In use

#065F46 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, 4.5:17.68:1 Passes
  • Link and body-size textText, 4.5:17.68:1 Passes
  • Large headingLarge text, 3:17.68:1 Passes
  • Icons, borders and focus ringsNon-text, 3:17.68:1 Passes

Dark page

  • Button labelText, 4.5:17.68:1 Passes
  • Link and body-size textText, 4.5:12.43:1 Fails
  • Large headingLarge text, 3:12.43:1 Fails
  • Icons, borders and focus ringsNon-text, 3:12.43:1 Fails

For text on this page, the nearest shade that passes is #3F8A6E 4.52:1

Color vision

How #065F46 looks with color blindness

Achromatopsia changes it most, ΔE2000 22.0; tritanopia changes it least, 7.3.

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

    #5C5745 ΔE2000 20.8

    Distinct

    Reads as dark grayish brown

  • Deuteranopia

    No working green (medium-wavelength) cones

    #525048 ΔE2000 21.0

    Distinct

    Reads as dark gray

  • Tritanopia

    No working blue (short-wavelength) cones

    #005F58 ΔE2000 7.3

    Noticeable

    Reads as dark muted teal

  • Achromatopsia

    No cone color vision; lightness only

    #535353 ΔE2000 22.0

    Distinct

    Reads as dark gray

Pairing check

Checked against its complement, #723B59. Their lightness contrast is only 1.09:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#065F46 · #723B5941.4Stays distinct
Protanopia#5C5745 · #40475A20.7Stays distinct
Deuteranopia#525048 · #4E51589.1Harder to tell apart
Tritanopia#005F58 · #793A4645.8Stays distinct
Achromatopsia#535353 · #4D4D4D2.1Easily confused

Harmony

Color harmonies for #065F46

Its complement is #723B59, a dark muted wine, on the warm 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#065F46
  • Complement#723B59

Complementary

Open in Harmony Studio
  • −30°#385B29
  • Base#065F46
  • +30°#005C5E

Analogous

Open in Harmony Studio
  • Base#065F46
  • +120°#4D487D
  • +240°#764023

Triadic

Open in Harmony Studio
  • Base#065F46
  • +150°#634070
  • +210°#793B3F

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-emerald-800: #065f46;
}

Tailwind config

// tailwind.config.js — already built in as emerald-800;
// pin the v3 value explicitly like this:
module.exports = {
  theme: {
    extend: {
      colors: {
        emerald: { 800: '#065f46' },
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  /* v4 has its own emerald-800; this pins the v3 value. */
  --color-emerald-800: oklch(0.432 0.086 166.9);
}

Design token (W3C DTCG)

{
  "color": {
    "emerald-800": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.0235, 0.3725, 0.2745],
        "hex": "#065f46"
      },
      "$description": "Tailwind CSS v3 emerald-800"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let emerald800 = Color(.sRGB, red: 0.024, green: 0.373, blue: 0.275, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Emerald800 = Color(0xFF065F46)
}

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 #065F46 in the tools

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