HEX atlas value

#50C878

#50C878 is a cool green HEX color close to Emerald. According to Colors Encyclopedia, it converts to RGB 80, 200, 120, HSL 140, 52%, 55%, has luminance 0.4437, and belongs to the earth tone group.

green cool earth-tone

#50C878 Sample readable text

HEX #50C878

RGB rgb(80, 200, 120)

HSL hsl(140 52% 55%)

CMYK cmyk(60, 0, 40, 22)

Luminance 0.4437

Contrast Black 9.87:1White 2.13:1

CSS

--color-50c878: #50C878;
.background-50c878 { background-color: #50C878; }
.text-50c878 { color: #50C878; }

Luminance0.4437

Black text9.87:1AA Pass

White text2.13:1AA 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":"#50C878","rgb":[80,200,120],"hsl":[140,52,55],"cmyk":[60,0,40,22],"luminance":0.4437,"contrast":{"black":9.87,"white":2.13}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":9.87,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.13,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#96DEAE","hex":"#96DEAE","family":"green","bestTextColor":"#000000","contrastBlack":13.36,"contrastWhite":1.57,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#37E170","hex":"#37E170","family":"green","bestTextColor":"#000000","contrastBlack":12.17,"contrastWhite":1.73,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Medium Aquamarine","hex":"#66CDAA","family":"green","bestTextColor":"#000000","contrastBlack":10.88,"contrastWhite":1.93,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#51C8B4","hex":"#51C8B4","family":"cyan","bestTextColor":"#000000","contrastBlack":10.27,"contrastWhite":2.04,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#64C851","hex":"#64C851","family":"green","bestTextColor":"#000000","contrastBlack":9.92,"contrastWhite":2.12,"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/50c878.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/medium-sea-green.json"]}

Harmonies

{"complementary":"#C851A0","analogous":["#64C851","#51C8B4"],"triadic":["#7851C8","#C87851"],"tetradic":["#5164C8","#C851A0","#C8B451"],"splitComplementary":["#B451C8","#C85164"],"monochromatic":["#96DEAE","#50C878","#2D8F4E"]}

Variants

{"light":"#96DEAE","dark":"#2D8F4E","saturated":"#37E170","desaturated":"#6AAF81","pastel":"#B9DFC6","neon":"#42FF81"}

Nearest named colors

[{"slug":"emerald","name":"Emerald","hex":"#50C878","distance":0},{"slug":"paris-green","name":"Paris Green","hex":"#50C878","distance":0},{"slug":"medium-sea-green","name":"Medium Sea Green","hex":"#3CB371","distance":29.832867780352597},{"slug":"medium-aquamarine","name":"Medium Aquamarine","hex":"#66CDAA","distance":54.85435260760991},{"slug":"verdigris","name":"Verdigris","hex":"#43B3AE","distance":59.38013135721409}]

HEX meaning and use

About #50C878

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

The RGB channels are 80, 200, and 120, with green carrying the strongest channel weight. In HSL, the hue is 140deg with 52% saturation and 55% 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 0.4437, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text9.87:1AA Pass

White text2.13:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #50C878 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000009.87:1 · AAA

White text#FFFFFF2.13:1 · Fail

Accessible Alternatives

#96DEAE#000000 text · best 13.36:1#96DEAE

#37E170#000000 text · best 12.17:1#37E170

Medium Aquamarine#000000 text · best 10.88:1#66CDAA

#51C8B4#000000 text · best 10.27:1#51C8B4

#64C851#000000 text · best 9.92:1#64C851

Generated Palette

Paris Green#50C878

#C851A0#C851A0

#64C851#64C851

#51C8B4#51C8B4

#96DEAE#96DEAE

#2D8F4E#2D8F4E

Color Harmonies

#C851A0#C851A0

#64C851#64C851

#51C8B4#51C8B4

#7851C8#7851C8

#C87851#C87851

Variants

#96DEAE#96DEAE

#2D8F4E#2D8F4E

#37E170#37E170

#6AAF81#6AAF81

#B9DFC6#B9DFC6

#42FF81#42FF81

Nearest Named Colors

Emerald#50C878

Paris Green#50C878

Medium Sea Green#3CB371

Medium Aquamarine#66CDAA

Verdigris#43B3AE

#50C878

CSS

Machine-Readable HEX Data (JSON)

About #50C878

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides