RAL Classic color

RAL 6033 Mint turquoise #476A4C

RAL 6033 Mint turquoise is shown here as #476A4C, a widely published sRGB approximation of the printed swatch. It is a muted green in the green family. In OKLCH it sits at lightness 0.489, chroma 0.062 and hue 148.2°. The nearest CSS named color is darkolivegreen (#556B2F), ΔE2000 9.5 away.

Relative luminance
0.1217
OKLCH L · C · h
0.489 · 0.062 · 148.2
Best text
White 6.11:1
Hue family
Green

#476A4C color codes

HEX
#476A4C
RGB
rgb(71, 106, 76)
HSL
hsl(129, 20%, 35%)
OKLCH
oklch(0.489 0.062 148.2)
OKLab
oklab(0.489 -0.053 0.033)
CIELAB (D65)
L* 41.48, a* -19.40, b* 12.94
XYZ (D65)
X 9.06, Y 12.17, Z 8.71
CMYK (naive)
cmyk(33%, 0%, 28%, 58%)

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 #476A4C accessible?

White text on it reaches 6.11:1, passing AA. Black text manages only 3.43:1, 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

    3.43:1

    • AA fails
    • AA large passes
    • AAA fails
    • APCA Lc +23
  • White text on it

    6.11:1

    • AA passes
    • AA large passes
    • AAA fails
    • APCA Lc −85
  • As text on black

    3.43:1

    • AA fails
    • AA large passes
    • AAA fails
    • APCA Lc −21
  • As text on white

    6.11:1

    • AA passes
    • AA large passes
    • AAA fails
    • APCA Lc +80

Nearest versions that pass 4.5:1

  • For text on white

    #476A4C 6.11:1

    It already reaches 6.11:1 on white, so no change is needed.

  • For text on black

    #597D5E 4.51:1

    Lightening its OKLCH lightness from 0.49 to 0.55 reaches 4.51:1 on black, keeping the hue.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #476A4C 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 #476A4C

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #476A4C sits at step 700.

  1. 50#E0FFE3
    White
    1.07
    Black
    19.58
  2. 100#D5F5D8
    White
    1.17
    Black
    17.88
  3. 200#C0E2C4
    White
    1.40
    Black
    14.91
  4. 300#A5C9A9
    White
    1.82
    Black
    11.52
  5. 400#88AD8C
    White
    2.49
    Black
    8.40
  6. 500#6C9171
    White
    3.54
    Black
    5.92
  7. 600#56795A
    White
    4.90
    Black
    4.27
  8. 700This color#476A4C
    White
    6.11
    Black
    3.43
  9. 800#29482E
    White
    10.19
    Black
    2.06
  10. 900#15301A
    White
    14.28
    Black
    1.46
  11. 950#051C09
    White
    17.84
    Black
    1.17

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

Gamut

How vivid #476A4C can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.141; #476A4C uses 44% of it. Display P3, which many recent phones and laptops show, reaches 0.197 there: 40% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.062
sRGB edge
0.141
Display P3 edge
0.197
Rec. 2020 edge
0.239
Dominant wavelength
544 nm
Excitation purity
19%
Chromaticity
x 0.3026, y 0.4065
  • This color#476A4C
  • Most vivid in sRGB#00742D
  • Most vivid in Display P3oklch(0.489 0.197 148.2)

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

Use the wider color where screens show it
.accent {
  color: #476a4c;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0 0.4719 0.1107); }
}

Mixing

Mixing #476A4C

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%#A3B5A6
  • OKLab50%#9FB2A1
  • OKLCH50%#9FB2A1

Black #000000

  • sRGB50%#243526
  • OKLab50%#162418
  • OKLCH50%#162418

Its complement #745372

  • sRGB50%#5E5F5F
  • OKLab50%#606060
  • OKLCH50%#7B573B
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #476a4c, white);
color: color-mix(in oklch, #476a4c 50%, white);

In use

#476A4C 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, 4.5:16.11:1 Passes
  • Link and body-size textText, 4.5:16.11:1 Passes
  • Large headingLarge text, 3:16.11:1 Passes
  • Icons, borders and focus ringsNon-text, 3:16.11:1 Passes

Dark page

  • Button labelText, 4.5:16.11:1 Passes
  • Link and body-size textText, 4.5:13.06:1 Fails
  • Large headingLarge text, 3:13.06:1 Passes
  • Icons, borders and focus ringsNon-text, 3:13.06:1 Passes

For text on this page, the nearest shade that passes is #628667 4.57:1

Color vision

How #476A4C looks with color blindness

Achromatopsia changes it most, ΔE2000 18.3; tritanopia changes it least, 9.1.

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

    #6B644A ΔE2000 15.4

    Distinct

    Reads as grayish brown

  • Deuteranopia

    No working green (medium-wavelength) cones

    #65604E ΔE2000 15.5

    Distinct

    Reads as grayish brown

  • Tritanopia

    No working blue (short-wavelength) cones

    #426962 ΔE2000 9.1

    Noticeable

    Reads as grayish teal

  • Achromatopsia

    No cone color vision; lightness only

    #626262 ΔE2000 18.3

    Distinct

    Reads as dark gray

Pairing check

Checked against its complement, #745372. Their lightness contrast is only 1.06:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#476A4C · #74537242.6Stays distinct
Protanopia#6B644A · #515B7324.8Stays distinct
Deuteranopia#65604E · #595F7119.0Stays distinct
Tritanopia#426962 · #76555E35.5Stays distinct
Achromatopsia#626262 · #5E5E5E1.5Easily confused

Harmony

Color harmonies for #476A4C

Its complement is #745372, a muted magenta.

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

Open the Harmony Studio
  • Base#476A4C
  • Complement#745372

Complementary

Open in Harmony Studio
  • −30°#5D653B
  • Base#476A4C
  • +30°#346C60
  • Base#476A4C
  • +120°#515F84
  • +240°#80524C
  • Base#476A4C
  • +150°#64587F
  • +210°#7D5160

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-6033: #476a4c;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'ral-6033': '#476a4c',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-ral-6033: oklch(0.489 0.062 148.2);
}

Design token (W3C DTCG)

{
  "color": {
    "ral-6033": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.2784, 0.4157, 0.298],
        "hex": "#476a4c"
      },
      "$description": "RAL 6033 Mint turquoise (approximate sRGB)"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let ral6033 = Color(.sRGB, red: 0.278, green: 0.416, blue: 0.298, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Ral6033 = Color(0xFF476A4C)
}

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 #476A4C in the tools

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