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cyan
X11 named colors

Lightcyan1

lightcyan1 · #E0FFFF

HEX

#E0FFFF

RGB

rgb(224, 255, 255)

CMYK

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

HSL

hsl(180, 100%, 94%)

LAB

lab(97.9, -9.9, -3.4)

What is Lightcyan1?

Lightcyan1 is the lightcyan1 reference in the X11 named colors. Its sRGB value is #E0FFFF (rgb 224, 255, 255). It sits in the cyan 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 Lightcyan1 as a background.

Black text on this color

Sample text · 19.92 : 1
AA Normal
AA Large
AAA Normal
AAA Large

White text on this color

Sample text · 1.05 : 1
AA Normal
AA Large
AAA Normal
AAA Large

Shades, tints & tonal scale of Lightcyan1

An 11-step tonal scale derived from Lightcyan1 (#E0FFFF). 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 #FDFFFF

50

#FDFFFF

#FDFFFF

Copied #FAFFFF

100

#FAFFFF

#FAFFFF

Copied #F5FFFF

200

#F5FFFF

#F5FFFF

Copied #F0FFFF

300

#F0FFFF

#F0FFFF

Copied #E8FFFF

400

#E8FFFF

#E8FFFF

Copied #E0FFFF

500

#E0FFFF

#E0FFFF

Copied #BED9D9

600

#BED9D9

#BED9D9

Copied #92A6A6

700

#92A6A6

#92A6A6

Copied #657373

800

#657373

#657373

Copied #384040

900

#384040

#384040

Copied #1B1F1F

950

#1B1F1F

#1B1F1F

Lighter tints (mixed with white)

Copied #E5FFFF

15%

#E5FFFF

Copied #EAFFFF

30%

#EAFFFF

Copied #EFFFFF

45%

#EFFFFF

Copied #F3FFFF

60%

#F3FFFF

Copied #F8FFFF

75%

#F8FFFF

Darker shades (mixed with black)

Copied #D0EDED

15%

#D0EDED

Copied #BFDADA

30%

#BFDADA

Copied #ACC4C4

45%

#ACC4C4

Copied #94AAAA

60%

#94AAAA

Copied #788989

75%

#788989

Color harmonies for Lightcyan1

Classic color-theory harmonies derived from rotating the hue of Lightcyan1. Use these to build accent palettes, brand systems, and accessible UI color pairings.

Complementary

180° opposite — strongest contrast

Copied #E0FFFF

#E0FFFF

#E0FFFF

Copied #FFE0E0

#FFE0E0

#FFE0E0

Triadic

Three colors 120° apart

Copied #E0FFFF

#E0FFFF

#E0FFFF

Copied #FFE0FF

#FFE0FF

#FFE0FF

Copied #FFFFE0

#FFFFE0

#FFFFE0

Analogous

Two neighbors ±30° on the wheel

Copied #E0FFF0

#E0FFF0

#E0FFF0

Copied #E0FFFF

#E0FFFF

#E0FFFF

Copied #E0F0FF

#E0F0FF

#E0F0FF

Split-complementary

Base + two colors flanking its complement

Copied #E0FFFF

#E0FFFF

#E0FFFF

Copied #FFE0F0

#FFE0F0

#FFE0F0

Copied #FFF0E0

#FFF0E0

#FFF0E0

Tetradic

Two complementary pairs

Copied #E0FFFF

#E0FFFF

#E0FFFF

Copied #E0E0FF

#E0E0FF

#E0E0FF

Copied #FFE0E0

#FFE0E0

#FFE0E0

Copied #FFFFE0

#FFFFE0

#FFFFE0

Square

Four colors evenly spaced 90° apart

Copied #E0FFFF

#E0FFFF

#E0FFFF

Copied #F0E0FF

#F0E0FF

#F0E0FF

Copied #FFE0E0

#FFE0E0

#FFE0E0

Copied #F0FFE0

#F0FFE0

#F0FFE0

Lightcyan1 in every color space

Full conversion of Lightcyan1 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

#E0FFFF

RGB

rgb(224, 255, 255)

CMYK

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

HSL

hsl(180, 100%, 94%)

HSV

hsv(180, 12%, 100%)

HWB

hwb(180 88% 0%)

CIE Lab

lab(97.9 -9.9 -3.4)

OKLCH

oklch(97.8% 0.032 196.6)

XYZ (D65)

xyz(84.55, 94.59, 108.39)

Copy-ready code for Lightcyan1

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: #E0FFFF;
background-color: #E0FFFF;

CSS variable

:root {
  --color-lightcyan1: #E0FFFF;
}

Tailwind config

// tailwind.config.js
colors: {
  'lightcyan1': '#E0FFFF',
}

Sass

$color-lightcyan1: #E0FFFF;

Swift UIColor

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

Android XML

<color name="lightcyan1">#E0FFFF</color>

Closest match in every color system

The nearest Lightcyan1 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 #F6F6F6

RAL 9016

#F6F6F6

Traffic white

Copied #F4F4F4

RAL 9003

#F4F4F4

Signal white

Copied #FFFFFF

RAL 9010

#FFFFFF

Pure white

Copied #E7EBDA

RAL 9002

#E7EBDA

Grey white

Copied #D7D7D7

RAL 7035

#D7D7D7

Light grey

Copied #D7D7D7

RAL 9018

#D7D7D7

Papyrus white

FAQ about Lightcyan1

What is the HEX code for Lightcyan1?

Lightcyan1 (lightcyan1) has the HEX code #E0FFFF. In RGB it is rgb(224, 255, 255), and in CMYK it is cmyk(12%, 0%, 0%, 0%).

What is the OKLCH value of Lightcyan1?

Lightcyan1 converts to oklch(0.978 0.032 196.6). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.

Is Lightcyan1 accessible for body text?

Used as a background, Lightcyan1 has a contrast ratio of 19.92:1 with black text and 1.05:1 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 Lightcyan1?

The closest Pantone reference to Lightcyan1 by ΔE2000 perceptual distance is Pantone 7457 C (#BBDDE6). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.

What is the closest RAL color to Lightcyan1?

The closest RAL Classic reference to Lightcyan1 by ΔE2000 distance is RAL 9016 (Traffic white, #F6F6F6). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.

What is the complementary color of Lightcyan1?

The complementary color (180° opposite on the HSL color wheel) of Lightcyan1 is #FFE0E0. 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
cyan

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 · Lightcyan1 — #E0FFFF | PantoneTools