RAL Classic color

RAL 6003 Olive green #424632

RAL 6003 Olive green is shown here as #424632, a widely published sRGB approximation of the printed swatch. It is a dark grayish yellow in the neutral family. In OKLCH it sits at lightness 0.384, chroma 0.033 and hue 117.2°. The nearest CSS named color is darkslategray (#2F4F4F), ΔE2000 13.5 away.

Relative luminance
0.0577
OKLCH L · C · h
0.384 · 0.033 · 117.2
Best text
White 9.75:1
Hue family
Neutral
Inspect this color Check contrast

#424632 color codes

HEX
#424632
RGB
rgb(66, 70, 50)
HSL
hsl(72, 17%, 24%)
OKLCH
oklch(0.384 0.033 117.2)
OKLab
oklab(0.384 -0.015 0.029)
CIELAB (D65)
L* 28.82, a* -5.69, b* 11.54
XYZ (D65)
X 5.01, Y 5.77, Z 3.87
CMYK (naive)
cmyk(6%, 0%, 29%, 73%)

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 #424632 accessible?

White text on it reaches 9.75:1, passing AAA. Black text fails at 2.15:1.

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

    2.15:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +11

  • White text on it

    9.75:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −96

  • As text on black

    2.15:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −9

  • As text on white

    9.75:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +92

Nearest versions that pass 4.5:1

  • For text on white

    #424632 9.75:1

    It already reaches 9.75:1 on white, so no change is needed.

  • For text on black

    #737761 4.54:1

    Lightening its OKLCH lightness from 0.38 to 0.56 reaches 4.54:1 on black, keeping the hue.

    Compare both in the Contrast System

Checking another pair? Use the Contrast Checker.

Studio

Adjust #424632 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 #424632

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #424632 sits at step 800.

  1. 50#F3F8E4
    White
    1.08
    Black
    19.35
  2. 100#E9EEDA
    White
    1.18
    Black
    17.70
  3. 200#D6DAC5
    White
    1.42
    Black
    14.69
  4. 300#BCC1AB
    White
    1.84
    Black
    11.35
  5. 400#A0A48E
    White
    2.56
    Black
    8.19
  6. 500#848973
    White
    3.61
    Black
    5.80
  7. 600#6D715C
    White
    5.03
    Black
    4.16
  8. 700#565B46
    White
    7.04
    Black
    2.98
  9. 800This color#424632
    White
    9.75
    Black
    2.15
  10. 900#282B1B
    White
    14.46
    Black
    1.45
  11. 950#15180A
    White
    17.99
    Black
    1.16

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

Gamut

How vivid #424632 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.089; #424632 uses 37% of it. Display P3, which many recent phones and laptops show, reaches 0.104 there: 16% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.033
sRGB edge
0.089
Display P3 edge
0.104
Rec. 2020 edge
0.107
Dominant wavelength
567 nm
Excitation purity
26%
Chromaticity
x 0.3422, y 0.3938
  • This color#424632
  • Most vivid in sRGB#404900
  • Most vivid in Display P3oklch(0.384 0.104 117.2)

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

Use the wider color where screens show it
.accent {
  color: #424632;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.2588 0.2876 0); }
}

Mixing

Mixing #424632

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%#A1A399
  • OKLab50%#9B9D92
  • OKLCH50%#9B9D92

Black #000000

  • sRGB50%#212319
  • OKLab50%#14150D
  • OKLCH50%#14150D

Its complement #454053

  • sRGB50%#444343
  • OKLab50%#434343
  • OKLCH50%#2E494C
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #424632, white);
color: color-mix(in oklch, #424632 50%, white);

In use

#424632 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, 4.5:19.75:1 Passes
  • Link and body-size textText, 4.5:19.75:1 Passes
  • Large headingLarge text, 3:19.75:1 Passes
  • Icons, borders and focus ringsNon-text, 3:19.75:1 Passes

Dark page

  • Button labelText, 4.5:19.75:1 Passes
  • Link and body-size textText, 4.5:11.92:1 Fails
  • Large headingLarge text, 3:11.92:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.92:1 Fails

For text on this page, the nearest shade that passes is #7B806A 4.58:1

Color vision

How #424632 looks with color blindness

Achromatopsia changes it most, ΔE2000 10.8; deuteranopia changes it least, 4.9.

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

    #494431 ΔE2000 5.2

    Noticeable

    Reads as dark grayish brown

  • Deuteranopia

    No working green (medium-wavelength) cones

    #484433 ΔE2000 4.9

    Close match

    Reads as dark grayish brown

  • Tritanopia

    No working blue (short-wavelength) cones

    #444441 ΔE2000 9.0

    Noticeable

    Reads as dark gray

  • Achromatopsia

    No cone color vision; lightness only

    #444444 ΔE2000 10.8

    Distinct

    Reads as dark gray

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 #424632

Its complement is #454053, a dark grayish violet.

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

Open the Harmony Studio
  • Base#424632
  • Complement#454053

Complementary

Open in Harmony Studio
  • −30°#4B432F
  • Base#424632
  • +30°#384839

Analogous

Open in Harmony Studio
  • Base#424632
  • +120°#334653
  • +240°#523C44

Triadic

Open in Harmony Studio
  • Base#424632
  • +150°#3C4355
  • +210°#4D3E4D

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-6003: #424632;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'ral-6003': '#424632',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-ral-6003: oklch(0.384 0.033 117.2);
}

Design token (W3C DTCG)

{
  "color": {
    "ral-6003": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.2588, 0.2745, 0.1961],
        "hex": "#424632"
      },
      "$description": "RAL 6003 Olive green (approximate sRGB)"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let ral6003 = Color(.sRGB, red: 0.259, green: 0.275, blue: 0.196, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Ral6003 = Color(0xFF424632)
}

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 #424632 in the tools

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