HEX atlas value

#5FF18E

#5FF18E is a cool green HEX color close to Medium Aquamarine. According to Colors Encyclopedia, it converts to RGB 95, 241, 142, HSL 139, 84%, 66%, has luminance 0.673, and belongs to the vibrant group.

green cool vibrant

#5FF18E Sample readable text

HEX #5FF18E

RGB rgb(95, 241, 142)

HSL hsl(139 84% 66%)

CMYK cmyk(61, 0, 41, 5)

Luminance 0.673

Contrast Black 14.46:1White 1.45:1

CSS

--color-5ff18e: #5FF18E;
.background-5ff18e { background-color: #5FF18E; }
.text-5ff18e { color: #5FF18E; }

Luminance0.673

Black text14.46:1AA Pass

White text1.45:1AA 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":"#5FF18E","rgb":[95,241,142],"hsl":[139,84,66],"cmyk":[61,0,41,5],"luminance":0.673,"contrast":{"black":14.46,"white":1.45}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":14.46,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.45,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#B4F8CA","hex":"#B4F8CA","family":"green","bestTextColor":"#000000","contrastBlack":17.22,"contrastWhite":1.22,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Pale Green","hex":"#98FB98","family":"green","bestTextColor":"#000000","contrastBlack":16.59,"contrastWhite":1.27,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#52FF89","hex":"#52FF89","family":"green","bestTextColor":"#000000","contrastBlack":16.02,"contrastWhite":1.31,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#5FF1D6","hex":"#5FF1D6","family":"cyan","bestTextColor":"#000000","contrastBlack":15.04,"contrastWhite":1.4,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Light Green","hex":"#90EE90","family":"green","bestTextColor":"#000000","contrastBlack":14.82,"contrastWhite":1.42,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["cool green","vibrant","vibrant green","Medium Aquamarine 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/5ff18e.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/medium-aquamarine.json","https://www.colorsencyclopedia.com/api/colors/emerald.json","https://www.colorsencyclopedia.com/api/colors/paris-green.json"]}

Harmonies

{"complementary":"#F15FC3","analogous":["#7AF15F","#5FF1D6"],"triadic":["#8E5FF1","#F18E5F"],"tetradic":["#5F7AF1","#F15FC3","#F1D65F"],"splitComplementary":["#D65FF1","#F15F7A"],"monochromatic":["#B4F8CA","#5FF18E","#14E155"]}

Variants

{"light":"#B4F8CA","dark":"#14E155","saturated":"#52FF89","desaturated":"#73DE95","pastel":"#D8F8E2","neon":"#7AFFA4"}

Nearest named colors

[{"slug":"medium-aquamarine","name":"Medium Aquamarine","hex":"#66CDAA","distance":46.14108798023731},{"slug":"emerald","name":"Emerald","hex":"#50C878","distance":48.88762624632127},{"slug":"paris-green","name":"Paris Green","hex":"#50C878","distance":48.88762624632127},{"slug":"light-green","name":"Light Green","hex":"#90EE90","distance":49.13247398615299},{"slug":"mint-green","name":"Mint Green","hex":"#98FB98","distance":58.728187440104094}]

HEX meaning and use

About #5FF18E

#5FF18E is classified as a cool green value with vibrant visual character. #5FF18E is visually closest to Medium Aquamarine, a named green color with HEX #66CDAA.

The RGB channels are 95, 241, and 142, with green carrying the strongest channel weight. In HSL, the hue is 139deg with 84% saturation and 66% 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 0.673, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 46.14, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text14.46:1AA Pass

White text1.45:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #5FF18E needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000014.46:1 · AAA

White text#FFFFFF1.45:1 · Fail

Accessible Alternatives

#B4F8CA#000000 text · best 17.22:1#B4F8CA

Pale Green#000000 text · best 16.59:1#98FB98

#52FF89#000000 text · best 16.02:1#52FF89

#5FF1D6#000000 text · best 15.04:1#5FF1D6

Light Green#000000 text · best 14.82:1#90EE90

Generated Palette

#5FF18E#5FF18E

#F15FC3#F15FC3

#7AF15F#7AF15F

#5FF1D6#5FF1D6

#B4F8CA#B4F8CA

#14E155#14E155

Color Harmonies

#F15FC3#F15FC3

#7AF15F#7AF15F

#5FF1D6#5FF1D6

#8E5FF1#8E5FF1

#F18E5F#F18E5F

Variants

#B4F8CA#B4F8CA

#14E155#14E155

#52FF89#52FF89

#73DE95#73DE95

#D8F8E2#D8F8E2

#7AFFA4#7AFFA4

Nearest Named Colors

Medium Aquamarine#66CDAA

Emerald#50C878

Paris Green#50C878

Light Green#90EE90

Mint Green#98FB98

#5FF18E

CSS

Machine-Readable HEX Data (JSON)

About #5FF18E

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides