HEX atlas value

#5FF178

#5FF178 is a cool green HEX color close to Emerald. According to Colors Encyclopedia, it converts to RGB 95, 241, 120, HSL 130, 84%, 66%, has luminance 0.667, and belongs to the vibrant group.

green cool vibrant

#5FF178 Sample readable text

HEX #5FF178

RGB rgb(95, 241, 120)

HSL hsl(130 84% 66%)

CMYK cmyk(61, 0, 50, 5)

Luminance 0.667

Contrast Black 14.34:1White 1.46:1

CSS

--color-5ff178: #5FF178;
.background-5ff178 { background-color: #5FF178; }
.text-5ff178 { color: #5FF178; }

Luminance0.667

Black text14.34:1AA Pass

White text1.46:1AA 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":"#5FF178","rgb":[95,241,120],"hsl":[130,84,66],"cmyk":[61,0,50,5],"luminance":0.667,"contrast":{"black":14.34,"white":1.46}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":14.34,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.46,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#B4F8BF","hex":"#B4F8BF","family":"green","bestTextColor":"#000000","contrastBlack":17.12,"contrastWhite":1.23,"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":"#52FF6F","hex":"#52FF6F","family":"green","bestTextColor":"#000000","contrastBlack":15.89,"contrastWhite":1.32,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#90F15F","hex":"#90F15F","family":"green","bestTextColor":"#000000","contrastBlack":14.93,"contrastWhite":1.41,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#5FF1C1","hex":"#5FF1C1","family":"green","bestTextColor":"#000000","contrastBlack":14.84,"contrastWhite":1.42,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["cool green","vibrant","vibrant green","Emerald 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/5ff178.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/light-green.json"]}

Harmonies

{"complementary":"#F15FD9","analogous":["#90F15F","#5FF1C1"],"triadic":["#785FF1","#F1785F"],"tetradic":["#5F90F1","#F15FD9","#F1C15F"],"splitComplementary":["#C15FF1","#F15F90"],"monochromatic":["#B4F8BF","#5FF178","#14E136"]}

Variants

{"light":"#B4F8BF","dark":"#14E136","saturated":"#52FF6F","desaturated":"#73DE84","pastel":"#D8F8DD","neon":"#7AFF91"}

Nearest named colors

[{"slug":"emerald","name":"Emerald","hex":"#50C878","distance":43.657759905886145},{"slug":"paris-green","name":"Paris Green","hex":"#50C878","distance":43.657759905886145},{"slug":"light-green","name":"Light Green","hex":"#90EE90","distance":54.644304369257},{"slug":"medium-aquamarine","name":"Medium Aquamarine","hex":"#66CDAA","distance":62.00806399170998},{"slug":"mint-green","name":"Mint Green","hex":"#98FB98","distance":66.12866246946176}]

HEX meaning and use

About #5FF178

#5FF178 is classified as a cool green value with vibrant visual character. #5FF178 is visually closest to Emerald, a named green color with HEX #50C878.

The RGB channels are 95, 241, and 120, with green carrying the strongest channel weight. In HSL, the hue is 130deg 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 0.667, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 43.66, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text14.34:1AA Pass

White text1.46:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #5FF178 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000014.34:1 · AAA

White text#FFFFFF1.46:1 · Fail

Accessible Alternatives

#B4F8BF#000000 text · best 17.12:1#B4F8BF

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

#52FF6F#000000 text · best 15.89:1#52FF6F

#90F15F#000000 text · best 14.93:1#90F15F

#5FF1C1#000000 text · best 14.84:1#5FF1C1

Generated Palette

#5FF178#5FF178

#F15FD9#F15FD9

#90F15F#90F15F

#5FF1C1#5FF1C1

#B4F8BF#B4F8BF

#14E136#14E136

Color Harmonies

#F15FD9#F15FD9

#90F15F#90F15F

#5FF1C1#5FF1C1

#785FF1#785FF1

#F1785F#F1785F

Variants

#B4F8BF#B4F8BF

#14E136#14E136

#52FF6F#52FF6F

#73DE84#73DE84

#D8F8DD#D8F8DD

#7AFF91#7AFF91

Nearest Named Colors

Emerald#50C878

Paris Green#50C878

Light Green#90EE90

Medium Aquamarine#66CDAA

Mint Green#98FB98

#5FF178

CSS

Machine-Readable HEX Data (JSON)

About #5FF178

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides