HEX atlas value

#3BF20D

#3BF20D is a cool green HEX color close to Neon Green. According to Colors Encyclopedia, it converts to RGB 59, 242, 13, HSL 108, 90%, 50%, has luminance 0.6446, and belongs to the vibrant group.

#3BF20D Sample readable text
HEX #3BF20D
RGB rgb(59, 242, 13)
HSL hsl(108 90% 50%)
CMYK cmyk(76, 0, 95, 5)
Luminance 0.6446
Contrast Black 13.89:1White 1.51:1

CSS

--color-3bf20d: #3BF20D;
.background-3bf20d { background-color: #3BF20D; }
.text-3bf20d { color: #3BF20D; }

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
Luminance0.6446
Black text13.89:1AA Pass
White text1.51:1AA 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":"#3BF20D","rgb":[59,242,13],"hsl":[108,90,50],"cmyk":[76,0,95,5],"luminance":0.6446,"contrast":{"black":13.89,"white":1.51}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":13.89,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.51,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"Neon Green","hex":"#39FF14","family":"green","bestTextColor":"#000000","contrastBlack":15.49,"contrastWhite":1.36,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#ADF20D","hex":"#ADF20D","family":"green","bestTextColor":"#000000","contrastBlack":15.48,"contrastWhite":1.36,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#33FF00","hex":"#33FF00","family":"green","bestTextColor":"#000000","contrastBlack":15.44,"contrastWhite":1.36,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#81F764","hex":"#81F764","family":"green","bestTextColor":"#000000","contrastBlack":15.42,"contrastWhite":1.36,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Fluorescent Green","hex":"#08FF08","family":"green","bestTextColor":"#000000","contrastBlack":15.32,"contrastWhite":1.37,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]
AI context
{"semanticGroups":["cool green","vibrant","vibrant green","Neon 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/3bf20d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/neon-green.json","https://www.colorsencyclopedia.com/api/colors/toxic-green.json","https://www.colorsencyclopedia.com/api/colors/fluorescent-green.json"]}
Harmonies
{"complementary":"#C40DF2","analogous":["#ADF20D","#0DF252"],"triadic":["#0D3BF2","#F20D3B"],"tetradic":["#0DADF2","#C40DF2","#F2520D"],"splitComplementary":["#520DF2","#F20DAD"],"monochromatic":["#81F764","#3BF20D","#269B08"]}
Variants
{"light":"#81F764","dark":"#269B08","saturated":"#33FF00","desaturated":"#4BD629","pastel":"#A3EF8F","neon":"#54FF29"}
Nearest named colors
[{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":14.89966442575134},{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":51.81698563212646},{"slug":"fluorescent-green","name":"Fluorescent Green","hex":"#08FF08","distance":52.86775955154521},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":53.094255809833136},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":58.42944463196617}]

HEX meaning and use

About #3BF20D

#3BF20D is classified as a cool green value with vibrant visual character. #3BF20D is visually closest to Neon Green, a named green color with HEX #39FF14.

The RGB channels are 59, 242, and 13, with green carrying the strongest channel weight. In HSL, the hue is 108deg with 90% saturation and 50% 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 0.6446, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 14.90, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text13.89:1AA Pass
White text1.51:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #3BF20D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000013.89:1 · AAA
White text#FFFFFF1.51:1 · Fail

Accessible Alternatives

Neon Green#000000 text · best 15.49:1#39FF14
#ADF20D#000000 text · best 15.48:1#ADF20D
#33FF00#000000 text · best 15.44:1#33FF00
#81F764#000000 text · best 15.42:1#81F764
Fluorescent Green#000000 text · best 15.32:1#08FF08

Generated Palette

#3BF20D#3BF20D
#C40DF2#C40DF2
#ADF20D#ADF20D
#0DF252#0DF252
#81F764#81F764
#269B08#269B08

Color Harmonies

#C40DF2#C40DF2
#ADF20D#ADF20D
#0DF252#0DF252
#0D3BF2#0D3BF2
#F20D3B#F20D3B

Variants

#81F764#81F764
#269B08#269B08
#33FF00#33FF00
#4BD629#4BD629
#A3EF8F#A3EF8F
#54FF29#54FF29

Nearest Named Colors