HEX atlas value

#3EF20D

#3EF20D is a cool green HEX color close to Neon Green. According to Colors Encyclopedia, it converts to RGB 62, 242, 13, HSL 107, 90%, 50%, has luminance 0.6456, and belongs to the vibrant group.

green cool vibrant

#3EF20D Sample readable text

HEX #3EF20D

RGB rgb(62, 242, 13)

HSL hsl(107 90% 50%)

CMYK cmyk(74, 0, 95, 5)

Luminance 0.6456

Contrast Black 13.91:1White 1.51:1

CSS

--color-3ef20d: #3EF20D;
.background-3ef20d { background-color: #3EF20D; }
.text-3ef20d { color: #3EF20D; }

Luminance0.6456

Black text13.91:1AA 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

Structured sections

Color systems

{"hex":"#3EF20D","rgb":[62,242,13],"hsl":[107,90,50],"cmyk":[74,0,95,5],"luminance":0.6456,"contrast":{"black":13.91,"white":1.51}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":13.91,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.51,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#B1F20D","hex":"#B1F20D","family":"green","bestTextColor":"#000000","contrastBlack":15.58,"contrastWhite":1.35,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Neon Green","hex":"#39FF14","family":"green","bestTextColor":"#000000","contrastBlack":15.49,"contrastWhite":1.36,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#84F764","hex":"#84F764","family":"green","bestTextColor":"#000000","contrastBlack":15.47,"contrastWhite":1.36,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#37FF00","hex":"#37FF00","family":"green","bestTextColor":"#000000","contrastBlack":15.47,"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/3ef20d.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/lime-green.json"]}

Harmonies

{"complementary":"#C10DF2","analogous":["#B1F20D","#0DF24E"],"triadic":["#0D3EF2","#F20D3E"],"tetradic":["#0DB1F2","#C10DF2","#F24E0D"],"splitComplementary":["#4E0DF2","#F20DB1"],"monochromatic":["#84F764","#3EF20D","#289B08"]}

Variants

{"light":"#84F764","dark":"#289B08","saturated":"#37FF00","desaturated":"#4ED629","pastel":"#A4EF8F","neon":"#57FF29"}

Nearest named colors

[{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":15.588457268119896},{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":49.658836071740545},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":53.68426212587819},{"slug":"fluorescent-green","name":"Fluorescent Green","hex":"#08FF08","distance":55.767373974394744},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":57.62811813689564}]

HEX meaning and use

About #3EF20D

#3EF20D is classified as a cool green value with vibrant visual character. #3EF20D is visually closest to Neon Green, a named green color with HEX #39FF14.

The RGB channels are 62, 242, and 13, with green carrying the strongest channel weight. In HSL, the hue is 107deg 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 0.6456, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 15.59, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text13.91:1AA 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 #3EF20D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000013.91:1 · AAA

White text#FFFFFF1.51:1 · Fail

Accessible Alternatives

#B1F20D#000000 text · best 15.58:1#B1F20D

Neon Green#000000 text · best 15.49:1#39FF14

#84F764#000000 text · best 15.47:1#84F764

#37FF00#000000 text · best 15.47:1#37FF00

Fluorescent Green#000000 text · best 15.32:1#08FF08

Generated Palette

#3EF20D#3EF20D

#C10DF2#C10DF2

#B1F20D#B1F20D

#0DF24E#0DF24E

#84F764#84F764

#289B08#289B08

Color Harmonies

#C10DF2#C10DF2

#B1F20D#B1F20D

#0DF24E#0DF24E

#0D3EF2#0D3EF2

#F20D3E#F20D3E

Variants

#84F764#84F764

#289B08#289B08

#37FF00#37FF00

#4ED629#4ED629

#A4EF8F#A4EF8F

#57FF29#57FF29

Nearest Named Colors

Neon Green#39FF14

Toxic Green#61DE2A

Lime Green#32CD32

Fluorescent Green#08FF08

Kelly Green#4CBB17

#3EF20D

CSS

Machine-Readable HEX Data (JSON)

About #3EF20D

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides