RAL Classic color

RAL 6001 Emerald green #287233

RAL 6001 Emerald green is shown here as #287233, a widely published sRGB approximation of the printed swatch. It is a soft green in the green family. In OKLCH it sits at lightness 0.490, chroma 0.121 and hue 146.1°. The nearest CSS named color is darkgreen (#006400), ΔE2000 7.4 away.

Relative luminance
0.1272
OKLCH L · C · h
0.490 · 0.121 · 146.1
Best text
White 5.92:1
Hue family
Green
Inspect this color Check contrast

#287233 color codes

HEX
#287233
RGB
rgb(40, 114, 51)
HSL
hsl(129, 48%, 30%)
OKLCH
oklch(0.490 0.121 146.1)
OKLab
oklab(0.490 -0.100 0.067)
CIELAB (D65)
L* 42.34, a* -37.13, b* 28.07
XYZ (D65)
X 7.49, Y 12.72, Z 5.19
CMYK (naive)
cmyk(65%, 0%, 55%, 55%)

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.

RAL and RAL Classic are trademarks of RAL gGmbH, which this site is not affiliated with. The sRGB value is an approximation of the printed swatch; check a physical RAL color card before you specify a paint.

Legibility

Contrast: is #287233 accessible?

White text on it reaches 5.92:1, passing AA. Black text manages only 3.54:1, enough for large text only.

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

    3.54:1

    • AA fails
    • AA large passes
    • AAA fails
    • APCA Lc +24

  • White text on it

    5.92:1

    • AA passes
    • AA large passes
    • AAA fails
    • APCA Lc −84

  • As text on black

    3.54:1

    • AA fails
    • AA large passes
    • AAA fails
    • APCA Lc −22

  • As text on white

    5.92:1

    • AA passes
    • AA large passes
    • AAA fails
    • APCA Lc +79

Nearest versions that pass 4.5:1

  • For text on white

    #287233 5.92:1

    It already reaches 5.92:1 on white, so no change is needed.

  • For text on black

    #3B8444 4.56:1

    Lightening its OKLCH lightness from 0.49 to 0.55 reaches 4.56:1 on black, keeping the hue.

    Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #287233 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 #287233

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #287233 sits at step 700.

  1. 50#E0FFE1
    White
    1.07
    Black
    19.56
  2. 100#C0FEC4
    White
    1.15
    Black
    18.21
  3. 200#AAEBAE
    White
    1.38
    Black
    15.20
  4. 300#8DD291
    White
    1.78
    Black
    11.76
  5. 400#6EB574
    White
    2.46
    Black
    8.52
  6. 500#519958
    White
    3.47
    Black
    6.04
  7. 600#388141
    White
    4.78
    Black
    4.38
  8. 700This color#287233
    White
    5.92
    Black
    3.54
  9. 800#024E16
    White
    9.98
    Black
    2.10
  10. 900#00330A
    White
    14.20
    Black
    1.47
  11. 950#001D04
    White
    17.83
    Black
    1.17

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

Gamut

How vivid #287233 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.150; #287233 uses 81% of it. Display P3, which many recent phones and laptops show, reaches 0.210 there: 41% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.121
sRGB edge
0.150
Display P3 edge
0.210
Rec. 2020 edge
0.225
Dominant wavelength
546 nm
Excitation purity
44%
Chromaticity
x 0.2948, y 0.5008
  • This color#287233
  • Most vivid in sRGB#007523
  • Most vivid in Display P3oklch(0.490 0.210 146.1)

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

Use the wider color where screens show it
.accent {
  color: #287233;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0 0.4761 0.028); }
}

Mixing

Mixing #287233

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%#94B999
  • OKLab50%#94B796
  • OKLCH50%#94B796

Black #000000

  • sRGB50%#14391A
  • OKLab50%#09280D
  • OKLCH50%#09280D

Its complement #834585

  • sRGB50%#565C5C
  • OKLab50%#616061
  • OKLCH50%#006894
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #287233, white);
color: color-mix(in oklch, #287233 50%, white);

In use

#287233 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, 4.5:15.92:1 Passes
  • Link and body-size textText, 4.5:15.92:1 Passes
  • Large headingLarge text, 3:15.92:1 Passes
  • Icons, borders and focus ringsNon-text, 3:15.92:1 Passes

Dark page

  • Button labelText, 4.5:15.92:1 Passes
  • Link and body-size textText, 4.5:13.16:1 Fails
  • Large headingLarge text, 3:13.16:1 Passes
  • Icons, borders and focus ringsNon-text, 3:13.16:1 Passes

For text on this page, the nearest shade that passes is #438C4B 4.54:1

Color vision

How #287233 looks with color blindness

Achromatopsia changes it most, ΔE2000 24.1; tritanopia changes it least, 16.0.

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

    #74682D ΔE2000 20.1

    Distinct

    Reads as muted brown

  • Deuteranopia

    No working green (medium-wavelength) cones

    #6A6138 ΔE2000 19.2

    Distinct

    Reads as muted brown

  • Tritanopia

    No working blue (short-wavelength) cones

    #166F64 ΔE2000 16.0

    Distinct

    Reads as muted teal

  • Achromatopsia

    No cone color vision; lightness only

    #646464 ΔE2000 24.1

    Distinct

    Reads as gray

Pairing check

Checked against its complement, #834585. Their lightness contrast is only 1.12:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#287233 · #83458563.5Stays distinct
Protanopia#74682D · #3F578741.6Stays distinct
Deuteranopia#6A6138 · #505F8333.6Stays distinct
Tritanopia#166F64 · #864C5F45.9Stays distinct
Achromatopsia#646464 · #5C5C5C2.9Easily confused

Harmony

Color harmonies for #287233

Its complement is #834585, a soft magenta.

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

Open the Harmony Studio
  • Base#287233
  • Complement#834585

Complementary

Open in Harmony Studio
  • −30°#5E6800
  • Base#287233
  • +30°#00715F

Analogous

Open in Harmony Studio
  • Base#287233
  • +120°#405CA5
  • +240°#99403B

Triadic

Open in Harmony Studio
  • Base#287233
  • +150°#684F9C
  • +210°#943F63

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-ral-6001: #287233;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'ral-6001': '#287233',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-ral-6001: oklch(0.490 0.121 146.1);
}

Design token (W3C DTCG)

{
  "color": {
    "ral-6001": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.1569, 0.4471, 0.2],
        "hex": "#287233"
      },
      "$description": "RAL 6001 Emerald green (approximate sRGB)"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let ral6001 = Color(.sRGB, red: 0.157, green: 0.447, blue: 0.200, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Ral6001 = Color(0xFF287233)
}

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 #287233 in the tools

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