HEX atlas value

#1B8811

#1B8811 is a cool green HEX color close to Forest Green. According to Colors Encyclopedia, it converts to RGB 27, 136, 17, HSL 115, 78%, 30%, has luminance 0.1788, and belongs to the jewel tone group.

green cool jewel-tone

#1B8811 Sample readable text

HEX #1B8811

RGB rgb(27, 136, 17)

HSL hsl(115 78% 30%)

CMYK cmyk(80, 0, 88, 47)

Luminance 0.1788

Contrast Black 4.58:1White 4.59:1

CSS

--color-1b8811: #1B8811;
.background-1b8811 { background-color: #1B8811; }
.text-1b8811 { color: #1B8811; }

Luminance0.1788

Black text4.58:1AA Pass

White text4.59:1AA 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":"#1B8811","rgb":[27,136,17],"hsl":[115,78,30],"cmyk":[80,0,88,47],"luminance":0.1788,"contrast":{"black":4.58,"white":4.59}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":4.58,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.59,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#0B3607","hex":"#0B3607","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.54,"contrastWhite":13.6,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#2BDA1B","hex":"#2BDA1B","family":"green","bestTextColor":"#000000","contrastBlack":11.15,"contrastWhite":1.88,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#7E1188","hex":"#7E1188","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":2.32,"contrastWhite":9.04,"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/1b8811.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":"#7E1188","analogous":["#568811","#118843"],"triadic":["#111B88","#88111B"],"tetradic":["#115688","#7E1188","#884311"],"splitComplementary":["#431188","#881156"],"monochromatic":["#2BDA1B","#1B8811","#0B3607"]}

Variants

{"light":"#2BDA1B","dark":"#0B3607","saturated":"#0D9900","desaturated":"#297722","pastel":"#50D544","neon":"#10C200"}

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":44.69899327725402},{"slug":"scheeles-green","name":"Scheele Green","hex":"#478800","distance":47.16990566028302},{"slug":"dark-green","name":"Dark Green","hex":"#006400","distance":48.104053883222775}]

HEX meaning and use

About #1B8811

#1B8811 is classified as a cool green value with jewel tone visual character. #1B8811 is visually closest to Forest Green, a named green color with HEX #228B22.

The RGB channels are 27, 136, and 17, with green carrying the strongest channel weight. In HSL, the hue is 115deg 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 0.1788, 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 text4.58:1AA Pass

White text4.59:1AA Pass

AA text options: #000000, #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #1B8811 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.58:1 · AA

White text#FFFFFF4.59:1 · AA

Accessible Alternatives

#0B3607#FFFFFF text · best 13.6:1#0B3607

#2BDA1B#000000 text · best 11.15:1#2BDA1B

#7E1188#FFFFFF text · best 9.04:1#7E1188

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

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

Generated Palette

#1B8811#1B8811

#7E1188#7E1188

#568811#568811

#118843#118843

#2BDA1B#2BDA1B

#0B3607#0B3607

Color Harmonies

#7E1188#7E1188

#568811#568811

#118843#118843

#111B88#111B88

#88111B#88111B

Variants

#2BDA1B#2BDA1B

#0B3607#0B3607

#0D9900#0D9900

#297722#297722

#50D544#50D544

#10C200#10C200

Nearest Named Colors

Forest Green#228B22

Green#008000

Emerald Dark#046307

Scheele Green#478800

Dark Green#006400

#1B8811

CSS

Machine-Readable HEX Data (JSON)

About #1B8811

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides