HEX atlas value

#81F434

#81F434 is a cool green HEX color close to Toxic Green. According to Colors Encyclopedia, it converts to RGB 129, 244, 52, HSL 96, 90%, 58%, has luminance 0.6962, and belongs to the vibrant group.

green cool vibrant

#81F434 Sample readable text

HEX #81F434

RGB rgb(129, 244, 52)

HSL hsl(96 90% 58%)

CMYK cmyk(47, 0, 79, 4)

Luminance 0.6962

Contrast Black 14.92:1White 1.41:1

CSS

--color-81f434: #81F434;
.background-81f434 { background-color: #81F434; }
.text-81f434 { color: #81F434; }

Luminance0.6962

Black text14.92:1AA Pass

White text1.41:1AA 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":"#81F434","rgb":[129,244,52],"hsl":[96,90,58],"cmyk":[47,0,79,4],"luminance":0.6962,"contrast":{"black":14.92,"white":1.41}}

WCAG

{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A","#36454F"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":14.92,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.41,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#E1F434","hex":"#E1F434","family":"yellow","bestTextColor":"#000000","contrastBlack":17.19,"contrastWhite":1.22,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Green Yellow","hex":"#ADFF2F","family":"green","bestTextColor":"#000000","contrastBlack":17.12,"contrastWhite":1.23,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#B7F98B","hex":"#B7F98B","family":"green","bestTextColor":"#000000","contrastBlack":16.94,"contrastWhite":1.24,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#7EFF29","hex":"#7EFF29","family":"green","bestTextColor":"#000000","contrastBlack":16.22,"contrastWhite":1.29,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Chartreuse","hex":"#7FFF00","family":"green","bestTextColor":"#000000","contrastBlack":16.21,"contrastWhite":1.3,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]

AI context

{"semanticGroups":["cool green","vibrant","vibrant green","Toxic Green 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/81f434.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/toxic-green.json","https://www.colorsencyclopedia.com/api/colors/green-yellow.json","https://www.colorsencyclopedia.com/api/colors/yellow-green.json"]}

Harmonies

{"complementary":"#A734F4","analogous":["#E1F434","#34F447"],"triadic":["#3481F4","#F43481"],"tetradic":["#34E1F4","#A734F4","#F44734"],"splitComplementary":["#4734F4","#F434E1"],"monochromatic":["#B7F98B","#81F434","#54C20A"]}

Variants

{"light":"#B7F98B","dark":"#54C20A","saturated":"#7EFF29","desaturated":"#85DD4B","pastel":"#CDF4B3","neon":"#97FF52"}

Nearest named colors

[{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":40.099875311526844},{"slug":"green-yellow","name":"Green Yellow","hex":"#ADFF2F","distance":45.628938186199335},{"slug":"yellow-green","name":"Yellow Green","hex":"#9ACD32","distance":46.36809247747852},{"slug":"lawn-green","name":"Lawn Green","hex":"#7CFC00","distance":52.848841046895245},{"slug":"chartreuse","name":"Chartreuse","hex":"#7FFF00","distance":53.1883445878888}]

HEX meaning and use

About #81F434

#81F434 is classified as a cool green value with vibrant visual character. #81F434 is visually closest to Toxic Green, a named green color with HEX #61DE2A.

The RGB channels are 129, 244, and 52, with green carrying the strongest channel weight. In HSL, the hue is 96deg with 90% saturation and 58% lightness, so this page treats it as a high-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 high-energy accents. Its luminance is 0.6962, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 40.10, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text14.92:1AA Pass

White text1.41:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #81F434 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000014.92:1 · AAA

White text#FFFFFF1.41:1 · Fail

Accessible Alternatives

#E1F434#000000 text · best 17.19:1#E1F434

Green Yellow#000000 text · best 17.12:1#ADFF2F

#B7F98B#000000 text · best 16.94:1#B7F98B

#7EFF29#000000 text · best 16.22:1#7EFF29

Chartreuse#000000 text · best 16.21:1#7FFF00

Generated Palette

#81F434#81F434

#A734F4#A734F4

#E1F434#E1F434

#34F447#34F447

#B7F98B#B7F98B

#54C20A#54C20A

Color Harmonies

#A734F4#A734F4

#E1F434#E1F434

#34F447#34F447

#3481F4#3481F4

#F43481#F43481

Variants

#B7F98B#B7F98B

#54C20A#54C20A

#7EFF29#7EFF29

#85DD4B#85DD4B

#CDF4B3#CDF4B3

#97FF52#97FF52

Nearest Named Colors

Toxic Green#61DE2A

Green Yellow#ADFF2F

Yellow Green#9ACD32

Lawn Green#7CFC00

Chartreuse#7FFF00

#81F434

CSS

Machine-Readable HEX Data (JSON)

About #81F434

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides