RAL Classic color

RAL 1028 Melon yellow #F4A900

RAL 1028 Melon yellow is shown here as #F4A900, a widely published sRGB approximation of the printed swatch. It is a light soft amber in the orange family. In OKLCH it sits at lightness 0.787, chroma 0.165 and hue 76.8°. The nearest CSS named color is orange (#FFA500), ΔE2000 3.7 away.

Relative luminance
0.4761
OKLCH L · C · h
0.787 · 0.165 · 76.8
Best text
Black 10.52:1
Hue family
Orange
Inspect this color Check contrast

#F4A900 color codes

HEX
#F4A900
RGB
rgb(244, 169, 0)
HSL
hsl(42, 100%, 48%)
OKLCH
oklch(0.787 0.165 76.8)
OKLab
oklab(0.787 0.038 0.160)
CIELAB (D65)
L* 74.58, a* 17.19, b* 78.10
XYZ (D65)
X 51.50, Y 47.61, Z 6.48
CMYK (naive)
cmyk(0%, 31%, 100%, 4%)

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 #F4A900 accessible?

Black text on it reaches 10.52:1, passing AAA. White text fails at 1.99:1.

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

    10.52:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc +65

  • White text on it

    1.99:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc −42

  • As text on black

    10.52:1

    • AA passes
    • AA large passes
    • AAA passes
    • APCA Lc −64

  • As text on white

    1.99:1

    • AA fails
    • AA large fails
    • AAA fails
    • APCA Lc +38

Nearest versions that pass 4.5:1

  • For text on white

    #9F6D00 4.50:1

    Darkening its OKLCH lightness from 0.79 to 0.57 reaches 4.50:1 on white, keeping the hue.

    Compare both in the Contrast System

  • For text on black

    #F4A900 10.52:1

    It already reaches 10.52:1 on black, so no change is needed.

Checking another pair? Use the Contrast Checker.

Studio

Adjust #F4A900 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 #F4A900

Eleven OKLCH lightness steps at this hue, each with its contrast against white and black. #F4A900 sits at step 300.

  1. 50#FFF3E3
    White
    1.09
    Black
    19.18
  2. 100#FFE7C6
    White
    1.20
    Black
    17.49
  3. 200#FFCF86
    White
    1.44
    Black
    14.52
  4. 300This color#F4A900
    White
    1.99
    Black
    10.52
  5. 400#D59300
    White
    2.62
    Black
    8.00
  6. 500#B17A00
    White
    3.71
    Black
    5.65
  7. 600#936400
    White
    5.16
    Black
    4.06
  8. 700#764F00
    White
    7.26
    Black
    2.88
  9. 800#563900
    White
    10.60
    Black
    1.98
  10. 900#392400
    White
    14.72
    Black
    1.42
  11. 950#211300
    White
    18.13
    Black
    1.15

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

Gamut

How vivid #F4A900 can get

At its lightness and hue, sRGB reaches OKLCH chroma 0.165; #F4A900 uses 100% of it. Display P3, which many recent phones and laptops show, reaches 0.190 there: 15% more.

0.00.20.40.60.80.20.40.60.8 460480500520540560580600620
  • sRGB
  • Display P3
  • Rec. 2020
  • Dominant wavelength
OKLCH chroma
0.165
sRGB edge
0.165
Display P3 edge
0.190
Rec. 2020 edge
0.193
Dominant wavelength
582 nm
Excitation purity
83%
Chromaticity
x 0.4877, y 0.4509
  • This color#F4A900
  • Most vivid in sRGB#F4A900
  • Most vivid in Display P3oklch(0.787 0.190 76.8)

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

Use the wider color where screens show it
.accent {
  color: #f4a900;
}
@media (color-gamut: p3) {
  .accent { color: color(display-p3 0.9399 0.6628 0); }
}

Mixing

Mixing #F4A900

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%#FAD480
  • OKLab50%#FBD59E
  • OKLCH50%#FBD59E

Black #000000

  • sRGB50%#7A5500
  • OKLab50%#5E3F00
  • OKLCH50%#5E3F00

Its complement #8CBCFF

  • sRGB50%#C0B380
  • OKLab50%#C4B8A6
  • OKLCH50%#F994CB
In CSS
/* A gradient and a mix, worked out in OKLCH */
background: linear-gradient(in oklch, #f4a900, white);
color: color-mix(in oklch, #f4a900 50%, white);

In use

#F4A900 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, 4.5:110.52:1 Passes
  • Link and body-size textText, 4.5:11.99:1 Fails
  • Large headingLarge text, 3:11.99:1 Fails
  • Icons, borders and focus ringsNon-text, 3:11.99:1 Fails

For text on this page, the nearest shade that passes is #9F6D00 4.50:1

Dark page

  • Button labelText, 4.5:110.52:1 Passes
  • Link and body-size textText, 4.5:19.38:1 Passes
  • Large headingLarge text, 3:19.38:1 Passes
  • Icons, borders and focus ringsNon-text, 3:19.38:1 Passes

Color vision

How #F4A900 looks with color blindness

Tritanopia changes it most, ΔE2000 33.1; protanopia changes it least, 13.6.

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

    #C5AD00 ΔE2000 13.6

    Distinct

    Reads as light soft amber

  • Deuteranopia

    No working green (medium-wavelength) cones

    #D6BF13 ΔE2000 14.3

    Distinct

    Reads as light soft yellow

  • Tritanopia

    No working blue (short-wavelength) cones

    #FF9590 ΔE2000 33.1

    Distinct

    Reads as light soft red

  • Achromatopsia

    No cone color vision; lightness only

    #B7B7B7 ΔE2000 28.6

    Distinct

    Reads as light gray

Pairing check

Checked against its complement, #8CBCFF. Their lightness contrast is only 1.02:1, so where hue collapses, add a label, icon or pattern.

VisionThe pairΔE2000Verdict
Normal vision#F4A900 · #8CBCFF50.4Stays distinct
Protanopia#C5AD00 · #A3C0FF52.3Stays distinct
Deuteranopia#D6BF13 · #95B4FE55.8Stays distinct
Tritanopia#FF9590 · #5ECBD348.3Stays distinct
Achromatopsia#B7B7B7 · #B9B9B90.5Easily confused

Harmony

Color harmonies for #F4A900

Its complement is #8CBCFF, a light soft 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#F4A900
  • Complement#8CBCFF

Complementary

Open in Harmony Studio
  • −30°#FF9D6C
  • Base#F4A900
  • +30°#C7C016

Analogous

Open in Harmony Studio
  • Base#F4A900
  • +120°#00D3D7
  • +240°#E396FF

Triadic

Open in Harmony Studio
  • Base#F4A900
  • +150°#31CBFF
  • +210°#B4AEFF

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-1028: #f4a900;
}

Tailwind config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'ral-1028': '#f4a900',
      },
    },
  },
};

Tailwind v4 theme

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

@theme {
  --color-ral-1028: oklch(0.787 0.165 76.8);
}

Design token (W3C DTCG)

{
  "color": {
    "ral-1028": {
      "$type": "color",
      "$value": {
        "colorSpace": "srgb",
        "components": [0.9569, 0.6627, 0],
        "hex": "#f4a900"
      },
      "$description": "RAL 1028 Melon yellow (approximate sRGB)"
    }
  }
}

SwiftUI color

import SwiftUI

enum Palette {
    static let ral1028 = Color(.sRGB, red: 0.957, green: 0.663, blue: 0.000, opacity: 1)
}

Jetpack Compose color

import androidx.compose.ui.graphics.Color

object Palette {
    val Ral1028 = Color(0xFFF4A900)
}

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 #F4A900 in the tools

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