HEX atlas value

#4FEC27

#4FEC27 is a cool green HEX color close to Toxic Green. According to Colors Encyclopedia, it converts to RGB 79, 236, 39, HSL 108, 84%, 54%, has luminance 0.618, and belongs to the vibrant group.

green cool vibrant

#4FEC27 Sample readable text

HEX #4FEC27

RGB rgb(79, 236, 39)

HSL hsl(108 84% 54%)

CMYK cmyk(67, 0, 83, 7)

Luminance 0.618

Contrast Black 13.36:1White 1.57:1

CSS

--color-4fec27: #4FEC27;
.background-4fec27 { background-color: #4FEC27; }
.text-4fec27 { color: #4FEC27; }

Luminance0.618

Black text13.36:1AA Pass

White text1.57:1AA 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":"#4FEC27","rgb":[79,236,39],"hsl":[108,84,54],"cmyk":[67,0,83,7],"luminance":0.618,"contrast":{"black":13.36,"white":1.57}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":13.36,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.57,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"Lawn Green","hex":"#7CFC00","family":"green","bestTextColor":"#000000","contrastBlack":15.78,"contrastWhite":1.33,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#43FF14","hex":"#43FF14","family":"green","bestTextColor":"#000000","contrastBlack":15.55,"contrastWhite":1.35,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#94F47C","hex":"#94F47C","family":"green","bestTextColor":"#000000","contrastBlack":15.49,"contrastWhite":1.36,"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":"#B1EC27","hex":"#B1EC27","family":"green","bestTextColor":"#000000","contrastBlack":14.9,"contrastWhite":1.41,"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/4fec27.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":"#C527EC","analogous":["#B1EC27","#27EC62"],"triadic":["#274FEC","#EC274F"],"tetradic":["#27B1EC","#C527EC","#EC6227"],"splitComplementary":["#6227EC","#EC27B1"],"monochromatic":["#94F47C","#4FEC27","#2EA90F"]}

Variants

{"light":"#94F47C","dark":"#2EA90F","saturated":"#43FF14","desaturated":"#5ED241","pastel":"#B3EEA5","neon":"#64FF3D"}

Nearest named colors

[{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":23},{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":34.72751070837067},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":43.8520238985614},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":51.633322573702344},{"slug":"lawn-green","name":"Lawn Green","hex":"#7CFC00","distance":61.66036003787198}]

HEX meaning and use

About #4FEC27

#4FEC27 is classified as a cool green value with vibrant visual character. #4FEC27 is visually closest to Toxic Green, a named green color with HEX #61DE2A.

The RGB channels are 79, 236, and 39, with green carrying the strongest channel weight. In HSL, the hue is 108deg with 84% saturation and 54% 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 0.618, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 23.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text13.36:1AA Pass

White text1.57:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #4FEC27 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000013.36:1 · AAA

White text#FFFFFF1.57:1 · Fail

Accessible Alternatives

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

#43FF14#000000 text · best 15.55:1#43FF14

#94F47C#000000 text · best 15.49:1#94F47C

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

#B1EC27#000000 text · best 14.9:1#B1EC27

Generated Palette

#4FEC27#4FEC27

#C527EC#C527EC

#B1EC27#B1EC27

#27EC62#27EC62

#94F47C#94F47C

#2EA90F#2EA90F

Color Harmonies

#C527EC#C527EC

#B1EC27#B1EC27

#27EC62#27EC62

#274FEC#274FEC

#EC274F#EC274F

Variants

#94F47C#94F47C

#2EA90F#2EA90F

#43FF14#43FF14

#5ED241#5ED241

#B3EEA5#B3EEA5

#64FF3D#64FF3D

Nearest Named Colors

Toxic Green#61DE2A

Neon Green#39FF14

Lime Green#32CD32

Kelly Green#4CBB17

Lawn Green#7CFC00

#4FEC27

CSS

Machine-Readable HEX Data (JSON)

About #4FEC27

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides