HEX atlas value

#557128

#557128 is a cool green HEX color close to Dark Olive Green. According to Colors Encyclopedia, it converts to RGB 85, 113, 40, HSL 83, 48%, 30%, has luminance 0.1389, and belongs to the earth tone and jewel tone groups.

green cool earth-tone jewel-tone

#557128 Sample readable text

HEX #557128

RGB rgb(85, 113, 40)

HSL hsl(83 48% 30%)

CMYK cmyk(25, 0, 65, 56)

Luminance 0.1389

Contrast Black 3.78:1White 5.56:1

CSS

--color-557128: #557128;
.background-557128 { background-color: #557128; }
.text-557128 { color: #557128; }

Luminance0.1389

Black text3.78:1AA Fail

White text5.56:1AA 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":"#557128","rgb":[85,113,40],"hsl":[83,48,30],"cmyk":[25,0,65,56],"luminance":0.1389,"contrast":{"black":3.78,"white":5.56}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":3.78,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.56,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#222D10","hex":"#222D10","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.45,"contrastWhite":14.48,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#442871","hex":"#442871","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":1.79,"contrastWhite":11.74,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#88B540","hex":"#88B540","family":"green","bestTextColor":"#000000","contrastBlack":8.73,"contrastWhite":2.41,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Moss Deep","hex":"#4A5D23","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.88,"contrastWhite":7.29,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#516039","hex":"#516039","family":"green","bestTextColor":"#FFFFFF","contrastBlack":3.08,"contrastWhite":6.81,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]

AI context

{"semanticGroups":["cool green","earth tone","jewel tone","earth tone green","jewel tone green","Dark Olive Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","rich accent palettes","botanical and wellness palettes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/557128.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/dark-olive-green.json","https://www.colorsencyclopedia.com/api/colors/fern-frond.json","https://www.colorsencyclopedia.com/api/colors/moss-deep.json"]}

Harmonies

{"complementary":"#442871","analogous":["#716928","#307128"],"triadic":["#285571","#712855"],"tetradic":["#287169","#442871","#712830"],"splitComplementary":["#283071","#692871"],"monochromatic":["#88B540","#557128","#222D10"]}

Variants

{"light":"#88B540","dark":"#222D10","saturated":"#598217","desaturated":"#516039","pastel":"#95B266","neon":"#78C200"}

Nearest named colors

[{"slug":"dark-olive-green","name":"Dark Olive Green","hex":"#556B2F","distance":9.219544457292887},{"slug":"fern-frond","name":"Fern Frond","hex":"#657220","distance":17.916472867168917},{"slug":"moss-deep","name":"Moss Deep","hex":"#4A5D23","distance":23.366642891095847},{"slug":"fern-green","name":"Fern Green","hex":"#4F7942","distance":27.85677655436824},{"slug":"olive-green","name":"Olive Green","hex":"#708238","distance":35.6931365951495}]

HEX meaning and use

About #557128

#557128 is classified as a cool green value with earth tone and jewel tone visual character. #557128 is visually closest to Dark Olive Green, a named green color with HEX #556B2F.

The RGB channels are 85, 113, and 40, with green carrying the strongest channel weight. In HSL, the hue is 83deg with 48% 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 0.1389, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 9.22, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.78:1AA Fail

White text5.56:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #557128 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.78:1 · Fail

White text#FFFFFF5.56:1 · AA

Accessible Alternatives

#222D10#FFFFFF text · best 14.48:1#222D10

#442871#FFFFFF text · best 11.74:1#442871

#88B540#000000 text · best 8.73:1#88B540

Moss Deep#FFFFFF text · best 7.29:1#4A5D23

#516039#FFFFFF text · best 6.81:1#516039

Generated Palette

#557128#557128

#442871#442871

#716928#716928

#307128#307128

#88B540#88B540

#222D10#222D10

Color Harmonies

#442871#442871

#716928#716928

#307128#307128

#285571#285571

#712855#712855

Variants

#88B540#88B540

#222D10#222D10

#598217#598217

#516039#516039

#95B266#95B266

#78C200#78C200

Nearest Named Colors

Dark Olive Green#556B2F

Fern Frond#657220

Moss Deep#4A5D23

Fern Green#4F7942

Olive Green#708238

#557128

CSS

Machine-Readable HEX Data (JSON)

About #557128

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides