HEX atlas value

#81BB9E

#81BB9E is a cool green HEX color close to Dark Sea Green. According to Colors Encyclopedia, it converts to RGB 129, 187, 158, HSL 150, 30%, 62%, has luminance 0.4268, and belongs to the earth tone group.

green cool earth-tone

#81BB9E Sample readable text

HEX #81BB9E

RGB rgb(129, 187, 158)

HSL hsl(150 30% 62%)

CMYK cmyk(31, 0, 16, 27)

Luminance 0.4268

Contrast Black 9.54:1White 2.2:1

CSS

--color-81bb9e: #81BB9E;
.background-81bb9e { background-color: #81BB9E; }
.text-81bb9e { color: #81BB9E; }

Luminance0.4268

Black text9.54:1AA Pass

White text2.2:1AA Fail

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":"#81BB9E","rgb":[129,187,158],"hsl":[150,30,62],"cmyk":[31,0,16,27],"luminance":0.4268,"contrast":{"black":9.54,"white":2.2}}

WCAG

{"AA":["#000000","#1A1A1A"],"AAA":["#000000","#1A1A1A"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":9.54,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.2,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#BDDBCC","hex":"#BDDBCC","family":"green","bestTextColor":"#000000","contrastBlack":14.17,"contrastWhite":1.48,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#6CD09E","hex":"#6CD09E","family":"green","bestTextColor":"#000000","contrastBlack":11.15,"contrastWhite":1.88,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Medium Aquamarine","hex":"#66CDAA","family":"green","bestTextColor":"#000000","contrastBlack":10.88,"contrastWhite":1.93,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Lichen","hex":"#9BC4A2","family":"green","bestTextColor":"#000000","contrastBlack":10.81,"contrastWhite":1.94,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#81BBBB","hex":"#81BBBB","family":"cyan","bestTextColor":"#000000","contrastBlack":9.76,"contrastWhite":2.15,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["cool green","earth tone","earth tone green","Dark Sea Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/81bb9e.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/dark-sea-green.json","https://www.colorsencyclopedia.com/api/colors/lichen.json","https://www.colorsencyclopedia.com/api/colors/tourmaline.json"]}

Harmonies

{"complementary":"#BB819E","analogous":["#81BB81","#81BBBB"],"triadic":["#9E81BB","#BB9E81"],"tetradic":["#8181BB","#BB819E","#BBBB81"],"splitComplementary":["#BB81BB","#BB8181"],"monochromatic":["#BDDBCC","#81BB9E","#4F9270"]}

Variants

{"light":"#BDDBCC","dark":"#4F9270","saturated":"#6CD09E","desaturated":"#96A69E","pastel":"#D9E3DE","neon":"#66FFB3"}

Nearest named colors

[{"slug":"dark-sea-green","name":"Dark Sea Green","hex":"#8FBC8F","distance":20.54263858417414},{"slug":"lichen","name":"Lichen","hex":"#9BC4A2","distance":27.80287754891569},{"slug":"tourmaline","name":"Tourmaline","hex":"#86A1A9","distance":28.6705423736629},{"slug":"cadet-gray","name":"Cadet Gray","hex":"#91A3B0","distance":34},{"slug":"medium-aquamarine","name":"Medium Aquamarine","hex":"#66CDAA","distance":34.597687784012386}]

HEX meaning and use

About #81BB9E

#81BB9E is classified as a cool green value with earth tone visual character. #81BB9E is visually closest to Dark Sea Green, a named green color with HEX #8FBC8F.

The RGB channels are 129, 187, and 158, with green carrying the strongest channel weight. In HSL, the hue is 150deg with 30% saturation and 62% lightness, so this page treats it as a low-saturation, mid-lightness 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 natural palettes. Its luminance is 0.4268, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 20.54, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text9.54:1AA Pass

White text2.2:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #81BB9E needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000009.54:1 · AAA

White text#FFFFFF2.2:1 · Fail

Accessible Alternatives

#BDDBCC#000000 text · best 14.17:1#BDDBCC

#6CD09E#000000 text · best 11.15:1#6CD09E

Medium Aquamarine#000000 text · best 10.88:1#66CDAA

Lichen#000000 text · best 10.81:1#9BC4A2

#81BBBB#000000 text · best 9.76:1#81BBBB

Generated Palette

#81BB9E#81BB9E

#BB819E#BB819E

#81BB81#81BB81

#81BBBB#81BBBB

#BDDBCC#BDDBCC

#4F9270#4F9270

Color Harmonies

#BB819E#BB819E

#81BB81#81BB81

#81BBBB#81BBBB

#9E81BB#9E81BB

#BB9E81#BB9E81

Variants

#BDDBCC#BDDBCC

#4F9270#4F9270

#6CD09E#6CD09E

#96A69E#96A69E

#D9E3DE#D9E3DE

#66FFB3#66FFB3

Nearest Named Colors

Dark Sea Green#8FBC8F

Lichen#9BC4A2

Tourmaline#86A1A9

Cadet Gray#91A3B0

Medium Aquamarine#66CDAA

#81BB9E

CSS

Machine-Readable HEX Data (JSON)

About #81BB9E

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides