RAL Classic color

RAL 1003 Signal yellow #E5BE01

RAL 1003 Signal yellow is shown here as #E5BE01, a widely published sRGB approximation of the printed swatch. It is a light soft amber in the yellow family. In OKLCH it sits at lightness 0.812, chroma 0.166 and hue 93.9°. The nearest CSS named color is gold (#FFD700), ΔE2000 6.2 away.

Relative luminance
0.5349
OKLCH L · C · h
0.812 · 0.166 · 93.9
Best text
Black 11.69:1
Hue family
Yellow
Inspect this color Check contrast

#E5BE01 color codes

HEX
#E5BE01
RGB
rgb(229, 190, 1)
HSL
hsl(50, 99%, 45%)
OKLCH
oklch(0.812 0.166 93.9)
OKLab
oklab(0.812 -0.011 0.166)
CIELAB (D65)
L* 78.16, a* -0.28, b* 79.71
XYZ (D65)
X 50.74, Y 53.49, Z 7.68
CMYK (naive)
cmyk(0%, 17%, 100%, 10%)

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 #E5BE01 accessible?

Black text on it reaches 11.69:1, passing AAA. White text fails at 1.79:1.

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

    11.69:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +70

  • White text on it

    1.79:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −37

  • As text on black

    11.69:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −69

  • As text on white

    1.79:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +33

Nearest versions that pass 4.5:1

  • For text on white

    #8D7400 4.53:1

    Darkening its OKLCH lightness from 0.81 to 0.57 reaches 4.53:1 on white, keeping the hue.

    Compare both in the Contrast System

  • For text on black

    #E5BE01 11.69:1

    It already reaches 11.69:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #E5BE01 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 #E5BE01

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #E5BE01 sits at step 300.

  1. 50#FFF5D3
    White
    1.09
    Black
    19.25
  2. 100#FFEBA5
    White
    1.18
    Black
    17.67
  3. 200#F7D558
    White
    1.43
    Black
    14.61
  4. 300This color#E5BE01
    White
    1.79
    Black
    11.69
  5. 400#C09F00
    White
    2.56
    Black
    8.20
  6. 500#A08400
    White
    3.62
    Black
    5.79
  7. 600#846D00
    White
    5.03
    Black
    4.16
  8. 700#695600
    White
    7.16
    Black
    2.93
  9. 800#4D3E00
    White
    10.47
    Black
    2.00
  10. 900#322800
    White
    14.59
    Black
    1.43
  11. 950#1C1500
    White
    18.15
    Black
    1.15

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

Gamut

How vivid #E5BE01 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.166; #E5BE01 uses 100% of it. Display P3, which many recent phones and laptops show, reaches 0.192 there: 16% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.166
sRGB edge
0.166
Display P3 edge
0.192
Rec. 2020 edge
0.197
Dominant wavelength
576 nm
Excitation purity
81%
Chromaticity
x 0.4534, y 0.4780
  • This color#E5BE01
  • Most vivid in sRGB#E5BE00
  • Most vivid in Display P3oklch(0.812 0.192 93.9)

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

Use the wider color where screens show it
.accent {
  color: #e5be01;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.8916 0.7461 0); }
}

Mixing

Mixing #E5BE01

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%#F2DF80
  • OKLab50%#F2E0A0
  • OKLCH50%#F2E0A0

Black #000000

  • sRGB50%#735F01
  • OKLab50%#584800
  • OKLCH50%#584800

Its complement #AEBDFF

  • sRGB50%#CABE80
  • OKLab50%#C9C1A8
  • OKLCH50%#FFA2B9
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #e5be01, white);
color: color-mix(in oklch, #e5be01 50%, white);

In use

#E5BE01 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, 4.5:111.69:1 Passes
  • Link and body-size textText, 4.5:11.79:1 Fails
  • Large headingLarge text, 3:11.79:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.79:1 Fails

For text on this page, the nearest shade that passes is #8D7400 4.53:1

Dark page

  • Button labelText, 4.5:111.69:1 Passes
  • Link and body-size textText, 4.5:110.43:1 Passes
  • Large headingLarge text, 3:110.43:1 Passes
  • Icons, borders and focus ringsNon-text, 3:110.43:1 Passes

Color vision

How #E5BE01 looks with color blindness

Tritanopia changes it most, ΔE2000 34.9; protanopia changes it least, 3.8.

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

    #D4BB00 ΔE2000 3.8

    Close match

    Reads as light soft amber

  • Deuteranopia

    No working green (medium-wavelength) cones

    #DEC61E ΔE2000 4.1

    Close match

    Reads as pale soft yellow

  • Tritanopia

    No working blue (short-wavelength) cones

    #F9ADA2 ΔE2000 34.9

    Distinct

    Reads as light muted red

  • Achromatopsia

    No cone color vision; lightness only

    #C1C1C1 ΔE2000 28.5

    Distinct

    Reads as light gray

Pairing check

Checked against its complement, #AEBDFF. Their lightness contrast is only 1.01:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#E5BE01 · #AEBDFF53.7Stays distinct
Protanopia#D4BB00 · #A9C3FF52.1Stays distinct
Deuteranopia#DEC61E · #A3BDFD53.4Stays distinct
Tritanopia#F9ADA2 · #98CAD442.1Stays distinct
Achromatopsia#C1C1C1 · #C0C0C00.3Easily confused

Harmony

Color harmonies for #E5BE01

Its complement is #AEBDFF, a light muted blue, on the cool 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#E5BE01
  • Complement#AEBDFF

Complementary

Open in Harmony Studio
  • −30°#FFAD5A
  • Base#E5BE01
  • +30°#ACD34C

Analogous

Open in Harmony Studio
  • Base#E5BE01
  • +120°#00D8F9
  • +240°#FF97EC

Triadic

Open in Harmony Studio
  • Base#E5BE01
  • +150°#86C9FF
  • +210°#D2AFFF

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-1003: #e5be01;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'ral-1003': '#e5be01',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-ral-1003: oklch(0.812 0.166 93.9);
}

Design token (W3C DTCG)

{
  "color": {
    "ral-1003": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.898, 0.7451, 0.0039],
        "hex": "#e5be01"
      },
      "$description": "RAL 1003 Signal yellow (approximate sRGB)"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let ral1003 = Color(.sRGB, red: 0.898, green: 0.745, blue: 0.004, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Ral1003 = Color(0xFFE5BE01)
}

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 #E5BE01 in the tools

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