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X11 named colors

Olivedrab1

olivedrab1 · #C0FF3E

HEX

#C0FF3E

RGB

rgb(192, 255, 62)

CMYK

cmyk(25%, 0%, 76%, 0%)

HSL

hsl(80, 100%, 62%)

LAB

lab(93.0, -45.0, 79.2)

What is Olivedrab1?

Olivedrab1 is the olivedrab1 reference in the X11 named colors. Its sRGB value is #C0FF3E (rgb 192, 255, 62). It sits in the green 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 Olivedrab1 as a background.

Black text on this color

Sample text · 17.61 : 1
AA Normal
AA Large
AAA Normal
AAA Large

White text on this color

Sample text · 1.19 : 1
AA Normal
AA Large
AAA Normal
AAA Large

Shades, tints & tonal scale of Olivedrab1

An 11-step tonal scale derived from Olivedrab1 (#C0FF3E). 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 #FAFFF0

50

#FAFFF0

#FAFFF0

Copied #F5FFE0

100

#F5FFE0

#F5FFE0

Copied #EBFFC1

200

#EBFFC1

#EBFFC1

Copied #E0FF9F

300

#E0FF9F

#E0FF9F

Copied #D0FF6E

400

#D0FF6E

#D0FF6E

Copied #C0FF3E

500

#C0FF3E

#C0FF3E

Copied #A3D935

600

#A3D935

#A3D935

Copied #7DA628

700

#7DA628

#7DA628

Copied #56731C

800

#56731C

#56731C

Copied #304010

900

#304010

#304010

Copied #171F07

950

#171F07

#171F07

Lighter tints (mixed with white)

Copied #CBFF79

15%

#CBFF79

Copied #D6FF9C

30%

#D6FF9C

Copied #DFFFB8

45%

#DFFFB8

Copied #E8FFCE

60%

#E8FFCE

Copied #F1FFE2

75%

#F1FFE2

Darker shades (mixed with black)

Copied #B3ED39

15%

#B3ED39

Copied #A4DA34

30%

#A4DA34

Copied #93C42D

45%

#93C42D

Copied #7FAA26

60%

#7FAA26

Copied #66891D

75%

#66891D

Color harmonies for Olivedrab1

Classic color-theory harmonies derived from rotating the hue of Olivedrab1. Use these to build accent palettes, brand systems, and accessible UI color pairings.

Complementary

180° opposite — strongest contrast

Copied #C0FF3E

#C0FF3E

#C0FF3E

Copied #7E3DFF

#7E3DFF

#7E3DFF

Triadic

Three colors 120° apart

Copied #C0FF3E

#C0FF3E

#C0FF3E

Copied #3DBEFF

#3DBEFF

#3DBEFF

Copied #FF3DBE

#FF3DBE

#FF3DBE

Analogous

Two neighbors ±30° on the wheel

Copied #FFDF3D

#FFDF3D

#FFDF3D

Copied #C0FF3E

#C0FF3E

#C0FF3E

Copied #5EFF3D

#5EFF3D

#5EFF3D

Split-complementary

Base + two colors flanking its complement

Copied #C0FF3E

#C0FF3E

#C0FF3E

Copied #3D5EFF

#3D5EFF

#3D5EFF

Copied #DF3DFF

#DF3DFF

#DF3DFF

Tetradic

Two complementary pairs

Copied #C0FF3E

#C0FF3E

#C0FF3E

Copied #3DFF7E

#3DFF7E

#3DFF7E

Copied #7E3DFF

#7E3DFF

#7E3DFF

Copied #FF3DBE

#FF3DBE

#FF3DBE

Square

Four colors evenly spaced 90° apart

Copied #C0FF3E

#C0FF3E

#C0FF3E

Copied #3DFFDF

#3DFFDF

#3DFFDF

Copied #7E3DFF

#7E3DFF

#7E3DFF

Copied #FF3D5E

#FF3D5E

#FF3D5E

Olivedrab1 in every color space

Full conversion of Olivedrab1 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

#C0FF3E

RGB

rgb(192, 255, 62)

CMYK

cmyk(25%, 0%, 76%, 0%)

HSL

hsl(80, 100%, 62%)

HSV

hsv(80, 76%, 100%)

HWB

hwb(80 24% 0%)

CIE Lab

lab(93.0 -45.0 79.2)

OKLCH

oklch(92.5% 0.218 126.6)

XYZ (D65)

xyz(58.37, 83.07, 17.52)

Copy-ready code for Olivedrab1

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: #C0FF3E;
background-color: #C0FF3E;

CSS variable

:root {
  --color-olivedrab1: #C0FF3E;
}

Tailwind config

// tailwind.config.js
colors: {
  'olivedrab1': '#C0FF3E',
}

Sass

$color-olivedrab1: #C0FF3E;

Swift UIColor

UIColor(red: 0.753, green: 1.000, blue: 0.243, alpha: 1.0)

Android XML

<color name="olivedrab1">#C0FF3E</color>

Closest match in every color system

The nearest Olivedrab1 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 #EDFF21

RAL 1016

#EDFF21

Sulfur yellow

Copied #FFFF00

RAL 1026

#FFFF00

Luminous yellow

Copied #F8F32B

RAL 1018

#F8F32B

Zinc yellow

Copied #F3DA0B

RAL 1021

#F3DA0B

Rape yellow

Copied #BDECB6

RAL 6019

#BDECB6

Pastel green

Copied #E1CC4F

RAL 1014

#E1CC4F

Ivory

FAQ about Olivedrab1

What is the HEX code for Olivedrab1?

Olivedrab1 (olivedrab1) has the HEX code #C0FF3E. In RGB it is rgb(192, 255, 62), and in CMYK it is cmyk(25%, 0%, 76%, 0%).

What is the OKLCH value of Olivedrab1?

Olivedrab1 converts to oklch(0.925 0.218 126.6). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.

Is Olivedrab1 accessible for body text?

Used as a background, Olivedrab1 has a contrast ratio of 17.61:1 with black text and 1.19:1 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 Olivedrab1?

The closest Pantone reference to Olivedrab1 by ΔE2000 perceptual distance is Pantone 367 C (#A4D65E). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.

What is the closest RAL color to Olivedrab1?

The closest RAL Classic reference to Olivedrab1 by ΔE2000 distance is RAL 1016 (Sulfur yellow, #EDFF21). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.

What is the complementary color of Olivedrab1?

The complementary color (180° opposite on the HSL color wheel) of Olivedrab1 is #7E3DFF. 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
green

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 · Olivedrab1 — #C0FF3E | PantoneTools