HEX atlas value

#57E740

#57E740 is a cool green HEX color close to Toxic Green. According to Colors Encyclopedia, it converts to RGB 87, 231, 64, HSL 112, 78%, 58%, has luminance 0.5955, and belongs to the vibrant group.

green cool vibrant

#57E740 Sample readable text

HEX #57E740

RGB rgb(87, 231, 64)

HSL hsl(112 78% 58%)

CMYK cmyk(62, 0, 72, 9)

Luminance 0.5955

Contrast Black 12.91:1White 1.63:1

CSS

--color-57e740: #57E740;
.background-57e740 { background-color: #57E740; }
.text-57e740 { color: #57E740; }

Luminance0.5955

Black text12.91:1AA Pass

White text1.63:1AA 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":"#57E740","rgb":[87,231,64],"hsl":[112,78,58],"cmyk":[62,0,72,9],"luminance":0.5955,"contrast":{"black":12.91,"white":1.63}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":12.91,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.63,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#9FF292","hex":"#9FF292","family":"green","bestTextColor":"#000000","contrastBlack":15.59,"contrastWhite":1.35,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#45FF29","hex":"#45FF29","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":"#AAE740","hex":"#AAE740","family":"green","bestTextColor":"#000000","contrastBlack":14.21,"contrastWhite":1.48,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#40E77E","hex":"#40E77E","family":"green","bestTextColor":"#000000","contrastBlack":12.95,"contrastWhite":1.62,"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/57e740.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/neon-green.json"]}

Harmonies

{"complementary":"#D140E7","analogous":["#AAE740","#40E77E"],"triadic":["#4057E7","#E74057"],"tetradic":["#40AAE7","#D140E7","#E77E40"],"splitComplementary":["#7E40E7","#E740AA"],"monochromatic":["#9FF292","#57E740","#2CB616"]}

Variants

{"light":"#9FF292","dark":"#2CB616","saturated":"#45FF29","desaturated":"#68D058","pastel":"#C0EFB8","neon":"#69FF52"}

Nearest named colors

[{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":25.787593916455254},{"slug":"lime-green","name":"Lime Green","hex":"#32CD32","distance":47.3392015141785},{"slug":"neon-green","name":"Neon Green","hex":"#39FF14","distance":58.412327466040935},{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":61.13918547053109},{"slug":"emerald","name":"Emerald","hex":"#50C878","distance":64.389440128021}]

HEX meaning and use

About #57E740

#57E740 is classified as a cool green value with vibrant visual character. #57E740 is visually closest to Toxic Green, a named green color with HEX #61DE2A.

The RGB channels are 87, 231, and 64, with green carrying the strongest channel weight. In HSL, the hue is 112deg with 78% saturation and 58% 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 0.5955, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 25.79, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text12.91:1AA Pass

White text1.63:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #57E740 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000012.91:1 · AAA

White text#FFFFFF1.63:1 · Fail

Accessible Alternatives

#9FF292#000000 text · best 15.59:1#9FF292

#45FF29#000000 text · best 15.59:1#45FF29

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

#AAE740#000000 text · best 14.21:1#AAE740

#40E77E#000000 text · best 12.95:1#40E77E

Generated Palette

#57E740#57E740

#D140E7#D140E7

#AAE740#AAE740

#40E77E#40E77E

#9FF292#9FF292

#2CB616#2CB616

Color Harmonies

#D140E7#D140E7

#AAE740#AAE740

#40E77E#40E77E

#4057E7#4057E7

#E74057#E74057

Variants

#9FF292#9FF292

#2CB616#2CB616

#45FF29#45FF29

#68D058#68D058

#C0EFB8#C0EFB8

#69FF52#69FF52

Nearest Named Colors

Toxic Green#61DE2A

Lime Green#32CD32

Neon Green#39FF14

Kelly Green#4CBB17

Emerald#50C878

#57E740

CSS

Machine-Readable HEX Data (JSON)

About #57E740

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides