HEX atlas value

#64D866

#64D866 is a cool green HEX color close to Emerald. According to Colors Encyclopedia, it converts to RGB 100, 216, 102, HSL 121, 60%, 62%, has luminance 0.5278, and belongs to the earth tone group.

green cool earth-tone

#64D866 Sample readable text

HEX #64D866

RGB rgb(100, 216, 102)

HSL hsl(121 60% 62%)

CMYK cmyk(54, 0, 53, 15)

Luminance 0.5278

Contrast Black 11.56:1White 1.82:1

CSS

--color-64d866: #64D866;
.background-64d866 { background-color: #64D866; }
.text-64d866 { color: #64D866; }

Luminance0.5278

Black text11.56:1AA Pass

White text1.82:1AA 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":"#64D866","rgb":[100,216,102],"hsl":[121,60,62],"cmyk":[54,0,53,15],"luminance":0.5278,"contrast":{"black":11.56,"white":1.82}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":11.56,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.82,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#ADEBAE","hex":"#ADEBAE","family":"green","bestTextColor":"#000000","contrastBlack":15.27,"contrastWhite":1.38,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#4FEE51","hex":"#4FEE51","family":"green","bestTextColor":"#000000","contrastBlack":13.68,"contrastWhite":1.53,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#9CD864","hex":"#9CD864","family":"green","bestTextColor":"#000000","contrastBlack":12.42,"contrastWhite":1.69,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Toxic Green","hex":"#61DE2A","family":"green","bestTextColor":"#000000","contrastBlack":11.99,"contrastWhite":1.75,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#64D8A0","hex":"#64D8A0","family":"green","bestTextColor":"#000000","contrastBlack":11.87,"contrastWhite":1.77,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["cool green","earth tone","earth tone green","Emerald adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/64d866.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/emerald.json","https://www.colorsencyclopedia.com/api/colors/paris-green.json","https://www.colorsencyclopedia.com/api/colors/pistachio.json"]}

Harmonies

{"complementary":"#D864D6","analogous":["#9CD864","#64D8A0"],"triadic":["#6664D8","#D86664"],"tetradic":["#649CD8","#D864D6","#D8A064"],"splitComplementary":["#A064D8","#D8649C"],"monochromatic":["#ADEBAE","#64D866","#2DB42F"]}

Variants

{"light":"#ADEBAE","dark":"#2DB42F","saturated":"#4FEE51","desaturated":"#79C37B","pastel":"#CFEDCF","neon":"#66FF69"}

Nearest named colors

[{"slug":"emerald","name":"Emerald","hex":"#50C878","distance":31.304951684997057},{"slug":"paris-green","name":"Paris Green","hex":"#50C878","distance":31.304951684997057},{"slug":"pistachio","name":"Pistachio","hex":"#93C572","distance":52.09606511052442},{"slug":"medium-sea-green","name":"Medium Sea Green","hex":"#3CB371","distance":55.58776843874919},{"slug":"toxic-green","name":"Toxic Green","hex":"#61DE2A","distance":60.37383539249432}]

HEX meaning and use

About #64D866

#64D866 is classified as a cool green value with earth tone visual character. #64D866 is visually closest to Emerald, a named green color with HEX #50C878.

The RGB channels are 100, 216, and 102, with green carrying the strongest channel weight. In HSL, the hue is 121deg with 60% saturation and 62% lightness, so this page treats it as a moderate-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 natural palettes. Its luminance is 0.5278, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 31.30, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text11.56:1AA Pass

White text1.82:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #64D866 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000011.56:1 · AAA

White text#FFFFFF1.82:1 · Fail

Accessible Alternatives

#ADEBAE#000000 text · best 15.27:1#ADEBAE

#4FEE51#000000 text · best 13.68:1#4FEE51

#9CD864#000000 text · best 12.42:1#9CD864

Toxic Green#000000 text · best 11.99:1#61DE2A

#64D8A0#000000 text · best 11.87:1#64D8A0

Generated Palette

#64D866#64D866

#D864D6#D864D6

#9CD864#9CD864

#64D8A0#64D8A0

#ADEBAE#ADEBAE

#2DB42F#2DB42F

Color Harmonies

#D864D6#D864D6

#9CD864#9CD864

#64D8A0#64D8A0

#6664D8#6664D8

#D86664#D86664

Variants

#ADEBAE#ADEBAE

#2DB42F#2DB42F

#4FEE51#4FEE51

#79C37B#79C37B

#CFEDCF#CFEDCF

#66FF69#66FF69

Nearest Named Colors

Emerald#50C878

Paris Green#50C878

Pistachio#93C572

Medium Sea Green#3CB371

Toxic Green#61DE2A

#64D866

CSS

Machine-Readable HEX Data (JSON)

About #64D866

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides