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X11 named colors

Lightyellow1

lightyellow1 · #FFFFE0

HEX

#FFFFE0

RGB

rgb(255, 255, 224)

CMYK

cmyk(0%, 0%, 12%, 0%)

HSL

hsl(60, 100%, 94%)

LAB

lab(99.3, -5.1, 14.8)

What is Lightyellow1?

Lightyellow1 is the lightyellow1 reference in the X11 named colors. Its sRGB value is #FFFFE0 (rgb 255, 255, 224). It sits in the yellow family. Historical X Window System color names — the numbered 1-4 lightness variants of the classic xorg-server rgb.txt palette. See disclaimer for accuracy and trademark notes.

Accessibility

WCAG 2.1 contrast checks for Lightyellow1 as a background.

Black text on this color

Sample text · 20.63 : 1
AA Normal
AA Large
AAA Normal
AAA Large

White text on this color

Sample text · 1.02 : 1
AA Normal
AA Large
AAA Normal
AAA Large

Shades, tints & tonal scale of Lightyellow1

An 11-step tonal scale derived from Lightyellow1 (#FFFFE0). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.

Copied #FFFFFD

50

#FFFFFD

#FFFFFD

Copied #FFFFFA

100

#FFFFFA

#FFFFFA

Copied #FFFFF5

200

#FFFFF5

#FFFFF5

Copied #FFFFF0

300

#FFFFF0

#FFFFF0

Copied #FFFFE8

400

#FFFFE8

#FFFFE8

Copied #FFFFE0

500

#FFFFE0

#FFFFE0

Copied #D9D9BE

600

#D9D9BE

#D9D9BE

Copied #A6A692

700

#A6A692

#A6A692

Copied #737365

800

#737365

#737365

Copied #404038

900

#404038

#404038

Copied #1F1F1B

950

#1F1F1B

#1F1F1B

Lighter tints (mixed with white)

Copied #FFFFE5

15%

#FFFFE5

Copied #FFFFEA

30%

#FFFFEA

Copied #FFFFEF

45%

#FFFFEF

Copied #FFFFF3

60%

#FFFFF3

Copied #FFFFF8

75%

#FFFFF8

Darker shades (mixed with black)

Copied #EDEDD0

15%

#EDEDD0

Copied #DADABF

30%

#DADABF

Copied #C4C4AC

45%

#C4C4AC

Copied #AAAA94

60%

#AAAA94

Copied #898978

75%

#898978

Color harmonies for Lightyellow1

Classic color-theory harmonies derived from rotating the hue of Lightyellow1. Use these to build accent palettes, brand systems, and accessible UI color pairings.

Complementary

180° opposite — strongest contrast

Copied #FFFFE0

#FFFFE0

#FFFFE0

Copied #E0E0FF

#E0E0FF

#E0E0FF

Triadic

Three colors 120° apart

Copied #FFFFE0

#FFFFE0

#FFFFE0

Copied #E0FFFF

#E0FFFF

#E0FFFF

Copied #FFE0FF

#FFE0FF

#FFE0FF

Analogous

Two neighbors ±30° on the wheel

Copied #FFF0E0

#FFF0E0

#FFF0E0

Copied #FFFFE0

#FFFFE0

#FFFFE0

Copied #F0FFE0

#F0FFE0

#F0FFE0

Split-complementary

Base + two colors flanking its complement

Copied #FFFFE0

#FFFFE0

#FFFFE0

Copied #E0F0FF

#E0F0FF

#E0F0FF

Copied #F0E0FF

#F0E0FF

#F0E0FF

Tetradic

Two complementary pairs

Copied #FFFFE0

#FFFFE0

#FFFFE0

Copied #E0FFE0

#E0FFE0

#E0FFE0

Copied #E0E0FF

#E0E0FF

#E0E0FF

Copied #FFE0FF

#FFE0FF

#FFE0FF

Square

Four colors evenly spaced 90° apart

Copied #FFFFE0

#FFFFE0

#FFFFE0

Copied #E0FFF0

#E0FFF0

#E0FFF0

Copied #E0E0FF

#E0E0FF

#E0E0FF

Copied #FFE0F0

#FFE0F0

#FFE0F0

Lightyellow1 in every color space

Full conversion of Lightyellow1 across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.

HEX

#FFFFE0

RGB

rgb(255, 255, 224)

CMYK

cmyk(0%, 0%, 12%, 0%)

HSL

hsl(60, 100%, 94%)

HSV

hsv(60, 12%, 100%)

HWB

hwb(60 88% 0%)

CIE Lab

lab(99.3 -5.1 14.8)

OKLCH

oklch(99.2% 0.040 107.1)

XYZ (D65)

xyz(90.45, 98.16, 84.69)

Copy-ready code for Lightyellow1

Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.

CSS

color: #FFFFE0;
background-color: #FFFFE0;

CSS variable

:root {
  --color-lightyellow1: #FFFFE0;
}

Tailwind config

// tailwind.config.js
colors: {
  'lightyellow1': '#FFFFE0',
}

Sass

$color-lightyellow1: #FFFFE0;

Swift UIColor

UIColor(red: 1.000, green: 1.000, blue: 0.878, alpha: 1.0)

Android XML

<color name="lightyellow1">#FFFFE0</color>

Closest match in every color system

The nearest Lightyellow1 equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.

Closest in X11 named colors

Top 6 ΔE2000-closest entries within the same collection.

Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.

Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.

Copied #EAE6CA

RAL 1013

#EAE6CA

Oyster white

Copied #E7EBDA

RAL 9002

#E7EBDA

Grey white

Copied #FDF4E3

RAL 9001

#FDF4E3

Cream

Copied #FFFFFF

RAL 9010

#FFFFFF

Pure white

Copied #F6F6F6

RAL 9016

#F6F6F6

Traffic white

Copied #F4F4F4

RAL 9003

#F4F4F4

Signal white

FAQ about Lightyellow1

What is the HEX code for Lightyellow1?

Lightyellow1 (lightyellow1) has the HEX code #FFFFE0. In RGB it is rgb(255, 255, 224), and in CMYK it is cmyk(0%, 0%, 12%, 0%).

What is the OKLCH value of Lightyellow1?

Lightyellow1 converts to oklch(0.992 0.040 107.1). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.

Is Lightyellow1 accessible for body text?

Used as a background, Lightyellow1 has a contrast ratio of 20.63:1 with black text and 1.02:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use black text and verify in real UI context.

What is the closest Pantone to Lightyellow1?

The closest Pantone reference to Lightyellow1 by ΔE2000 perceptual distance is Pantone 365 C (#D0DEBE). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.

What is the closest RAL color to Lightyellow1?

The closest RAL Classic reference to Lightyellow1 by ΔE2000 distance is RAL 1013 (Oyster white, #EAE6CA). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.

What is the complementary color of Lightyellow1?

The complementary color (180° opposite on the HSL color wheel) of Lightyellow1 is #E0E0FF. Use it for high-contrast accents, error states, or call-to-action pairings.

Data provenance & source

X11 named colors (xorg rgb.txt)

The historical X11 color name list shipped in the xorg-server rgb.txt file. Roughly 550 entries covering classic computing color names like 'PapayaWhip', 'MediumAquamarine', and 'DarkSlateGray'. Many CSS named colors originate here. Use as a reference for legacy and creative color names. Most modern CSS implementations accept these names directly.

Source type
derived
Confidence
high
License
MIT/X11 license (X Consortium)
Last reviewed
2026-05-24

Workflow tags

x11
named-color
legacy
yellow

X11 colors are sRGB digital values from a 1980s color system. For print, convert to a process-appropriate color and proof against substrate.

X11 named colors · Lightyellow1 — #FFFFE0 | PantoneTools