HEX atlas value

#81F8BF

#81F8BF is a cool green HEX color close to Aquamarine. According to Colors Encyclopedia, it converts to RGB 129, 248, 191, HSL 151, 89%, 74%, has luminance 0.7556, and belongs to the vibrant group.

#81F8BF Sample readable text
HEX #81F8BF
RGB rgb(129, 248, 191)
HSL hsl(151 89% 74%)
CMYK cmyk(48, 0, 23, 3)
Luminance 0.7556
Contrast Black 16.11:1White 1.3:1

CSS

--color-81f8bf: #81F8BF;
.background-81f8bf { background-color: #81F8BF; }
.text-81f8bf { color: #81F8BF; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.7556
Black text16.11:1AA Pass
White text1.3:1AA 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
Download JSON Open API
Structured sections
Color systems
{"hex":"#81F8BF","rgb":[129,248,191],"hsl":[151,89,74],"cmyk":[48,0,23,3],"luminance":0.7556,"contrast":{"black":16.11,"white":1.3}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A","#36454F"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":16.11,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.3,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#D8FDEB","hex":"#D8FDEB","family":"green","bestTextColor":"#000000","contrastBlack":19.17,"contrastWhite":1.1,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Aquamarine","hex":"#7FFFD4","family":"green","bestTextColor":"#000000","contrastBlack":17.16,"contrastWhite":1.22,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Mint","hex":"#98FF98","family":"green","bestTextColor":"#000000","contrastBlack":17.09,"contrastWhite":1.23,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#7AFFBF","hex":"#7AFFBF","family":"green","bestTextColor":"#000000","contrastBlack":16.88,"contrastWhite":1.24,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Pale Green","hex":"#98FB98","family":"green","bestTextColor":"#000000","contrastBlack":16.59,"contrastWhite":1.27,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]
AI context
{"semanticGroups":["cool green","vibrant","vibrant green","Aquamarine adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/81f8bf.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/aquamarine.json","https://www.colorsencyclopedia.com/api/colors/seafoam.json","https://www.colorsencyclopedia.com/api/colors/mint-green.json"]}
Harmonies
{"complementary":"#F882BB","analogous":["#82F884","#82F6F8"],"triadic":["#BF82F8","#F8BF82"],"tetradic":["#8482F8","#F882BB","#F6F882"],"splitComplementary":["#F882F6","#F88482"],"monochromatic":["#D8FDEB","#81F8BF","#2BF392"]}
Variants
{"light":"#D8FDEB","dark":"#2BF392","saturated":"#7AFFBF","desaturated":"#90E9BE","pastel":"#FBFEFD","neon":"#A3FFD3"}
Nearest named colors
[{"slug":"aquamarine","name":"Aquamarine","hex":"#7FFFD4","distance":22.22611077089287},{"slug":"seafoam","name":"Seafoam","hex":"#93E9BE","distance":23.45207879911715},{"slug":"mint-green","name":"Mint Green","hex":"#98FB98","distance":45.37620521815371},{"slug":"pale-green","name":"Pale Green","hex":"#98FB98","distance":45.37620521815371},{"slug":"mint","name":"Mint","hex":"#98FF98","distance":45.81484475582123}]

HEX meaning and use

About #81F8BF

#81F8BF is classified as a cool green value with vibrant visual character. #81F8BF is visually closest to Aquamarine, a named green color with HEX #7FFFD4.

The RGB channels are 129, 248, and 191, with green carrying the strongest channel weight. In HSL, the hue is 151deg with 89% saturation and 74% lightness, so this page treats it as a high-saturation, light 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 high-energy accents. Its luminance is 0.7556, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 22.23, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text16.11:1AA Pass
White text1.3:1AA Fail

AA text options: #000000, #1A1A1A, #36454F.

AAA text options: #000000, #1A1A1A, #36454F.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #81F8BF needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000016.11:1 · AAA
White text#FFFFFF1.3:1 · Fail

Accessible Alternatives

#D8FDEB#000000 text · best 19.17:1#D8FDEB
Aquamarine#000000 text · best 17.16:1#7FFFD4
Mint#000000 text · best 17.09:1#98FF98
#7AFFBF#000000 text · best 16.88:1#7AFFBF
Pale Green#000000 text · best 16.59:1#98FB98

Generated Palette

#81F8BF#81F8BF
#F882BB#F882BB
#82F884#82F884
#82F6F8#82F6F8
#D8FDEB#D8FDEB
#2BF392#2BF392

Color Harmonies

#F882BB#F882BB
#82F884#82F884
#82F6F8#82F6F8
#BF82F8#BF82F8
#F8BF82#F8BF82

Variants

#D8FDEB#D8FDEB
#2BF392#2BF392
#7AFFBF#7AFFBF
#90E9BE#90E9BE
#FBFEFD#FBFEFD
#A3FFD3#A3FFD3

Nearest Named Colors