HEX atlas value

#11881B

#11881B is a cool green HEX color close to Forest Green. According to Colors Encyclopedia, it converts to RGB 17, 136, 27, HSL 125, 78%, 30%, has luminance 0.1781, and belongs to the jewel tone group.

green cool jewel-tone

#11881B Sample readable text

HEX #11881B

RGB rgb(17, 136, 27)

HSL hsl(125 78% 30%)

CMYK cmyk(88, 0, 80, 47)

Luminance 0.1781

Contrast Black 4.56:1White 4.6:1

CSS

--color-11881b: #11881B;
.background-11881b { background-color: #11881B; }
.text-11881b { color: #11881B; }

Luminance0.1781

Black text4.56:1AA Pass

White text4.6:1AA Pass

hexCanonical HEX value

rgbRed, green, blue channels

hslHue, saturation, lightness

cmykApproximate print conversion

wcagAA and AAA contrast options

harmoniesMathematical harmony sets

variantsGenerated tone variants

nearestColorsKnowledge graph neighbors

Structured sections

Color systems

{"hex":"#11881B","rgb":[17,136,27],"hsl":[125,78,30],"cmyk":[88,0,80,47],"luminance":0.1781,"contrast":{"black":4.56,"white":4.6}}

WCAG

{"AA":["#000000","#FFFFFF"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":4.56,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.6,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#07360B","hex":"#07360B","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.54,"contrastWhite":13.62,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#1BDA2B","hex":"#1BDA2B","family":"green","bestTextColor":"#000000","contrastBlack":11.11,"contrastWhite":1.89,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#88117E","hex":"#88117E","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":2.43,"contrastWhite":8.65,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Emerald Dark","hex":"#046307","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.79,"contrastWhite":7.52,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Dark Green","hex":"#006400","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.82,"contrastWhite":7.44,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]}]

AI context

{"semanticGroups":["cool green","jewel tone","jewel tone green","Forest Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","botanical and wellness palettes"],"contrastSafeWith":["#000000","#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/11881b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/forest-green.json","https://www.colorsencyclopedia.com/api/colors/green.json","https://www.colorsencyclopedia.com/api/colors/emerald-dark.json"]}

Harmonies

{"complementary":"#88117E","analogous":["#438811","#118856"],"triadic":["#1B1188","#881B11"],"tetradic":["#114388","#88117E","#885611"],"splitComplementary":["#561188","#881143"],"monochromatic":["#1BDA2B","#11881B","#07360B"]}

Variants

{"light":"#1BDA2B","dark":"#07360B","saturated":"#00990D","desaturated":"#227729","pastel":"#44D550","neon":"#00C210"}

Nearest named colors

[{"slug":"forest-green","name":"Forest Green","hex":"#228B22","distance":18.627936010197157},{"slug":"green","name":"Green","hex":"#008000","distance":32.89376840679705},{"slug":"emerald-dark","name":"Emerald Dark","hex":"#046307","distance":44.02272140611028},{"slug":"dark-green","name":"Dark Green","hex":"#006400","distance":48.104053883222775},{"slug":"traffic-green","name":"Traffic Green","hex":"#008450","distance":55.80322571321482}]

HEX meaning and use

About #11881B

#11881B is classified as a cool green value with jewel tone visual character. #11881B is visually closest to Forest Green, a named green color with HEX #228B22.

The RGB channels are 17, 136, and 27, with green carrying the strongest channel weight. In HSL, the hue is 125deg with 78% saturation and 30% lightness, so this page treats it as a high-saturation, dark atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and rich accent palettes. Its luminance is 0.1781, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 18.63, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.56:1AA Pass

White text4.6:1AA Pass

AA text options: #000000, #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #11881B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.56:1 · AA

White text#FFFFFF4.6:1 · AA

Accessible Alternatives

#07360B#FFFFFF text · best 13.62:1#07360B

#1BDA2B#000000 text · best 11.11:1#1BDA2B

#88117E#FFFFFF text · best 8.65:1#88117E

Emerald Dark#FFFFFF text · best 7.52:1#046307

Dark Green#FFFFFF text · best 7.44:1#006400

Generated Palette

#11881B#11881B

#88117E#88117E

#438811#438811

#118856#118856

#1BDA2B#1BDA2B

#07360B#07360B

Color Harmonies

#88117E#88117E

#438811#438811

#118856#118856

#1B1188#1B1188

#881B11#881B11

Variants

#1BDA2B#1BDA2B

#07360B#07360B

#00990D#00990D

#227729#227729

#44D550#44D550

#00C210#00C210

Nearest Named Colors

Forest Green#228B22

Green#008000

Emerald Dark#046307

Dark Green#006400

Traffic Green#008450

#11881B

CSS

Machine-Readable HEX Data (JSON)

About #11881B

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides