HEX atlas value

#4DEF52

#4DEF52 is a cool green HEX color close to Toxic Green. According to Colors Encyclopedia, it converts to RGB 77, 239, 82, HSL 122, 84%, 62%, has luminance 0.6392, and belongs to the vibrant group.

green cool vibrant

#4DEF52 Sample readable text

HEX #4DEF52

RGB rgb(77, 239, 82)

HSL hsl(122 84% 62%)

CMYK cmyk(68, 0, 66, 6)

Luminance 0.6392

Contrast Black 13.78:1White 1.52:1

CSS

--color-4def52: #4DEF52;
.background-4def52 { background-color: #4DEF52; }
.text-4def52 { color: #4DEF52; }

Luminance0.6392

Black text13.78:1AA Pass

White text1.52:1AA 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":"#4DEF52","rgb":[77,239,82],"hsl":[122,84,62],"cmyk":[68,0,66,6],"luminance":0.6392,"contrast":{"black":13.78,"white":1.52}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":13.78,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.52,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#A1F7A4","hex":"#A1F7A4","family":"green","bestTextColor":"#000000","contrastBlack":16.36,"contrastWhite":1.28,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#3DFF44","hex":"#3DFF44","family":"green","bestTextColor":"#000000","contrastBlack":15.59,"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":"#99EF4D","hex":"#99EF4D","family":"green","bestTextColor":"#000000","contrastBlack":14.81,"contrastWhite":1.42,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#4DEFA4","hex":"#4DEFA4","family":"green","bestTextColor":"#000000","contrastBlack":14.2,"contrastWhite":1.48,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

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/4def52.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/toxic-green.json","https://www.colorsencyclopedia.com/api/colors/lime-green.json","https://www.colorsencyclopedia.com/api/colors/emerald.json"]}

Harmonies

{"complementary":"#EF4DEA","analogous":["#99EF4D","#4DEFA4"],"triadic":["#524DEF","#EF524D"],"tetradic":["#4D99EF","#EF4DEA","#EFA44D"],"splitComplementary":["#A44DEF","#EF4D99"],"monochromatic":["#A1F7A4","#4DEF52","#12CE18"]}

Variants

{"light":"#A1F7A4","dark":"#12CE18","saturated":"#3DFF44","desaturated":"#62DA66","pastel":"#C7F5C9","neon":"#66FF6B"}

Nearest named colors

[{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":47.843494855622744},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":53.9351462406472},{"slug":"emerald","name":"Emerald","hex":"#50C878","distance":54.53439281774392},{"slug":"paris-green","name":"Paris Green","hex":"#50C878","distance":54.53439281774392},{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":67.08203932499369}]

HEX meaning and use

About #4DEF52

#4DEF52 is classified as a cool green value with vibrant visual character. #4DEF52 is visually closest to Toxic Green, a named green color with HEX #61DE2A.

The RGB channels are 77, 239, and 82, with green carrying the strongest channel weight. In HSL, the hue is 122deg with 84% 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 0.6392, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 47.84, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text13.78:1AA Pass

White text1.52:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #4DEF52 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000013.78:1 · AAA

White text#FFFFFF1.52:1 · Fail

Accessible Alternatives

#A1F7A4#000000 text · best 16.36:1#A1F7A4

#3DFF44#000000 text · best 15.59:1#3DFF44

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

#99EF4D#000000 text · best 14.81:1#99EF4D

#4DEFA4#000000 text · best 14.2:1#4DEFA4

Generated Palette

#4DEF52#4DEF52

#EF4DEA#EF4DEA

#99EF4D#99EF4D

#4DEFA4#4DEFA4

#A1F7A4#A1F7A4

#12CE18#12CE18

Color Harmonies

#EF4DEA#EF4DEA

#99EF4D#99EF4D

#4DEFA4#4DEFA4

#524DEF#524DEF

#EF524D#EF524D

Variants

#A1F7A4#A1F7A4

#12CE18#12CE18

#3DFF44#3DFF44

#62DA66#62DA66

#C7F5C9#C7F5C9

#66FF6B#66FF6B

Nearest Named Colors

Toxic Green#61DE2A

Lime Green#32CD32

Emerald#50C878

Paris Green#50C878

Neon Green#39FF14

#4DEF52

CSS

Machine-Readable HEX Data (JSON)

About #4DEF52

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides