HEX atlas value

#63FB41

#63FB41 is a cool green HEX color close to Toxic Green. According to Colors Encyclopedia, it converts to RGB 99, 251, 65, HSL 109, 96%, 62%, has luminance 0.7203, and belongs to the vibrant group.

green cool vibrant

#63FB41 Sample readable text

HEX #63FB41

RGB rgb(99, 251, 65)

HSL hsl(109 96% 62%)

CMYK cmyk(61, 0, 74, 2)

Luminance 0.7203

Contrast Black 15.41:1White 1.36:1

CSS

--color-63fb41: #63FB41;
.background-63fb41 { background-color: #63FB41; }
.text-63fb41 { color: #63FB41; }

Luminance0.7203

Black text15.41:1AA Pass

White text1.36:1AA 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":"#63FB41","rgb":[99,251,65],"hsl":[109,96,62],"cmyk":[61,0,74,2],"luminance":0.7203,"contrast":{"black":15.41,"white":1.36}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":15.41,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.36,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#ADFD9B","hex":"#ADFD9B","family":"green","bestTextColor":"#000000","contrastBlack":17.3,"contrastWhite":1.21,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#C0FB41","hex":"#C0FB41","family":"green","bestTextColor":"#000000","contrastBlack":17.12,"contrastWhite":1.23,"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"]},{"name":"#61FF3D","hex":"#61FF3D","family":"green","bestTextColor":"#000000","contrastBlack":15.88,"contrastWhite":1.32,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Lawn Green","hex":"#7CFC00","family":"green","bestTextColor":"#000000","contrastBlack":15.78,"contrastWhite":1.33,"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/63fb41.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/toxic-green.json","https://www.colorsencyclopedia.com/api/colors/neon-green.json","https://www.colorsencyclopedia.com/api/colors/lime-green.json"]}

Harmonies

{"complementary":"#D941FB","analogous":["#C0FB41","#41FB7C"],"triadic":["#4163FB","#FB4163"],"tetradic":["#41C0FB","#D941FB","#FB7C41"],"splitComplementary":["#7C41FB","#FB41C0"],"monochromatic":["#ADFD9B","#63FB41","#2CDC04"]}

Variants

{"light":"#ADFD9B","dark":"#2CDC04","saturated":"#61FF3D","desaturated":"#71E656","pastel":"#CDF9C3","neon":"#82FF66"}

Nearest named colors

[{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":37.067505985701274},{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":61.68468205316454},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":68.86218120274728},{"slug":"lawn-green","name":"Lawn Green","hex":"#7CFC00","distance":69.6491205974634},{"slug":"chartreuse","name":"Chartreuse","hex":"#7FFF00","distance":70.88723439378913}]

HEX meaning and use

About #63FB41

#63FB41 is classified as a cool green value with vibrant visual character. #63FB41 is visually closest to Toxic Green, a named green color with HEX #61DE2A.

The RGB channels are 99, 251, and 65, with green carrying the strongest channel weight. In HSL, the hue is 109deg with 96% saturation and 62% 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 0.7203, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 37.07, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text15.41:1AA Pass

White text1.36:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #63FB41 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000015.41:1 · AAA

White text#FFFFFF1.36:1 · Fail

Accessible Alternatives

#ADFD9B#000000 text · best 17.3:1#ADFD9B

#C0FB41#000000 text · best 17.12:1#C0FB41

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

#61FF3D#000000 text · best 15.88:1#61FF3D

Lawn Green#000000 text · best 15.78:1#7CFC00

Generated Palette

#63FB41#63FB41

#D941FB#D941FB

#C0FB41#C0FB41

#41FB7C#41FB7C

#ADFD9B#ADFD9B

#2CDC04#2CDC04

Color Harmonies

#D941FB#D941FB

#C0FB41#C0FB41

#41FB7C#41FB7C

#4163FB#4163FB

#FB4163#FB4163

Variants

#ADFD9B#ADFD9B

#2CDC04#2CDC04

#61FF3D#61FF3D

#71E656#71E656

#CDF9C3#CDF9C3

#82FF66#82FF66

Nearest Named Colors

Toxic Green#61DE2A

Neon Green#39FF14

Lime Green#32CD32

Lawn Green#7CFC00

Chartreuse#7FFF00

#63FB41

CSS

Machine-Readable HEX Data (JSON)

About #63FB41

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides