HEX atlas value

#556831

#556831 is a cool green HEX color close to Dark Olive Green. According to Colors Encyclopedia, it converts to RGB 85, 104, 49, HSL 81, 36%, 30%, has luminance 0.1205, and belongs to the earth tone group.

green cool earth-tone

#556831 Sample readable text

HEX #556831

RGB rgb(85, 104, 49)

HSL hsl(81 36% 30%)

CMYK cmyk(18, 0, 53, 59)

Luminance 0.1205

Contrast Black 3.41:1White 6.16:1

CSS

--color-556831: #556831;
.background-556831 { background-color: #556831; }
.text-556831 { color: #556831; }

Luminance0.1205

Black text3.41:1AA Fail

White text6.16:1AA Pass

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":"#556831","rgb":[85,104,49],"hsl":[81,36,30],"cmyk":[18,0,53,59],"luminance":0.1205,"contrast":{"black":3.41,"white":6.16}}

WCAG

{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":3.41,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":6.16,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#222A14","hex":"#222A14","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.41,"contrastWhite":14.89,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#443168","hex":"#443168","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":1.89,"contrastWhite":11.13,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#88A64E","hex":"#88A64E","family":"green","bestTextColor":"#000000","contrastBlack":7.61,"contrastWhite":2.76,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#505742","hex":"#505742","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.78,"contrastWhite":7.54,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Loam","hex":"#6B4F3A","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.8,"contrastWhite":7.49,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]}]

AI context

{"semanticGroups":["cool green","earth tone","earth tone green","Dark Olive Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","botanical and wellness palettes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/556831.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/dark-olive-green.json","https://www.colorsencyclopedia.com/api/colors/moss-deep.json","https://www.colorsencyclopedia.com/api/colors/fern-green.json"]}

Harmonies

{"complementary":"#443168","analogous":["#686031","#396831"],"triadic":["#315568","#683155"],"tetradic":["#316860","#443168","#683139"],"splitComplementary":["#313968","#603168"],"monochromatic":["#88A64E","#556831","#222A14"]}

Variants

{"light":"#88A64E","dark":"#222A14","saturated":"#5A7920","desaturated":"#505742","pastel":"#93A474","neon":"#7EC200"}

Nearest named colors

[{"slug":"dark-olive-green","name":"Dark Olive Green","hex":"#556B2F","distance":3.605551275463989},{"slug":"moss-deep","name":"Moss Deep","hex":"#4A5D23","distance":20.92844953645635},{"slug":"fern-green","name":"Fern Green","hex":"#4F7942","distance":24.779023386727733},{"slug":"fern-frond","name":"Fern Frond","hex":"#657220","distance":25.39685019840059},{"slug":"loam","name":"Loam","hex":"#6B4F3A","distance":34.49637662132068}]

HEX meaning and use

About #556831

#556831 is classified as a cool green value with earth tone visual character. #556831 is visually closest to Dark Olive Green, a named green color with HEX #556B2F.

The RGB channels are 85, 104, and 49, with green carrying the strongest channel weight. In HSL, the hue is 81deg with 36% saturation and 30% lightness, so this page treats it as a moderate-saturation, dark 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 0.1205, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 3.61, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.41:1AA Fail

White text6.16:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #556831 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.41:1 · Fail

White text#FFFFFF6.16:1 · AA

Accessible Alternatives

#222A14#FFFFFF text · best 14.89:1#222A14

#443168#FFFFFF text · best 11.13:1#443168

#88A64E#000000 text · best 7.61:1#88A64E

#505742#FFFFFF text · best 7.54:1#505742

Loam#FFFFFF text · best 7.49:1#6B4F3A

Generated Palette

#556831#556831

#443168#443168

#686031#686031

#396831#396831

#88A64E#88A64E

#222A14#222A14

Color Harmonies

#443168#443168

#686031#686031

#396831#396831

#315568#315568

#683155#683155

Variants

#88A64E#88A64E

#222A14#222A14

#5A7920#5A7920

#505742#505742

#93A474#93A474

#7EC200#7EC200

Nearest Named Colors

Dark Olive Green#556B2F

Moss Deep#4A5D23

Fern Green#4F7942

Fern Frond#657220

Loam#6B4F3A

#556831

CSS

Machine-Readable HEX Data (JSON)

About #556831

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides