HEX atlas value

#558B4B

#558B4B is a cool green HEX color close to Epoxy Green. According to Colors Encyclopedia, it converts to RGB 85, 139, 75, HSL 111, 30%, 42%, has luminance 0.209, and belongs to the earth tone group.

green cool earth-tone

#558B4B Sample readable text

HEX #558B4B

RGB rgb(85, 139, 75)

HSL hsl(111 30% 42%)

CMYK cmyk(39, 0, 46, 45)

Luminance 0.209

Contrast Black 5.18:1White 4.05:1

CSS

--color-558b4b: #558B4B;
.background-558b4b { background-color: #558B4B; }
.text-558b4b { color: #558B4B; }

Luminance0.209

Black text5.18:1AA Pass

White text4.05:1AA 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":"#558B4B","rgb":[85,139,75],"hsl":[111,30,42],"cmyk":[39,0,46,45],"luminance":0.209,"contrast":{"black":5.18,"white":4.05}}

WCAG

{"AA":["#000000"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":5.18,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.05,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#84B87A","hex":"#84B87A","family":"green","bestTextColor":"#000000","contrastBlack":9.12,"contrastWhite":2.3,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#30502B","hex":"#30502B","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.31,"contrastWhite":9.1,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#44A333","hex":"#44A333","family":"green","bestTextColor":"#000000","contrastBlack":6.53,"contrastWhite":3.21,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"#824B8B","hex":"#824B8B","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":3.33,"contrastWhite":6.31,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#758B4B","hex":"#758B4B","family":"green","bestTextColor":"#000000","contrastBlack":5.55,"contrastWhite":3.78,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

AI context

{"semanticGroups":["cool green","earth tone","earth tone green","Epoxy Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","botanical and wellness palettes"],"contrastSafeWith":["#000000"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/558b4b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/epoxy-green.json","https://www.colorsencyclopedia.com/api/colors/fern-green.json","https://www.colorsencyclopedia.com/api/colors/cactus-green.json"]}

Harmonies

{"complementary":"#824B8B","analogous":["#758B4B","#4B8B61"],"triadic":["#4B558B","#8B4B55"],"tetradic":["#4B758B","#824B8B","#8B614B"],"splitComplementary":["#614B8B","#8B4B75"],"monochromatic":["#84B87A","#558B4B","#30502B"]}

Variants

{"light":"#84B87A","dark":"#30502B","saturated":"#44A333","desaturated":"#657463","pastel":"#A2B79E","neon":"#26FF00"}

Nearest named colors

[{"slug":"epoxy-green","name":"Epoxy Green","hex":"#4E8A57","distance":13.92838827718412},{"slug":"fern-green","name":"Fern Green","hex":"#4F7942","distance":21},{"slug":"cactus-green","name":"Cactus Green","hex":"#587156","distance":28.39013913315678},{"slug":"olive-green","name":"Olive Green","hex":"#708238","distance":34.219877264537345},{"slug":"hookers-green","name":"Hookers Green","hex":"#49796B","distance":38.62641583165593}]

HEX meaning and use

About #558B4B

#558B4B is classified as a cool green value with earth tone visual character. #558B4B is visually closest to Epoxy Green, a named green color with HEX #4E8A57.

The RGB channels are 85, 139, and 75, with green carrying the strongest channel weight. In HSL, the hue is 111deg with 30% saturation and 42% lightness, so this page treats it as a low-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 0.209, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 13.93, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.18:1AA Pass

White text4.05:1AA Fail

AA text options: #000000.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #558B4B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.18:1 · AA

White text#FFFFFF4.05:1 · Fail

Accessible Alternatives

#84B87A#000000 text · best 9.12:1#84B87A

#30502B#FFFFFF text · best 9.1:1#30502B

#44A333#000000 text · best 6.53:1#44A333

#824B8B#FFFFFF text · best 6.31:1#824B8B

#758B4B#000000 text · best 5.55:1#758B4B

Generated Palette

#558B4B#558B4B

#824B8B#824B8B

#758B4B#758B4B

#4B8B61#4B8B61

#84B87A#84B87A

#30502B#30502B

Color Harmonies

#824B8B#824B8B

#758B4B#758B4B

#4B8B61#4B8B61

#4B558B#4B558B

#8B4B55#8B4B55

Variants

#84B87A#84B87A

#30502B#30502B

#44A333#44A333

#657463#657463

#A2B79E#A2B79E

#26FF00#26FF00

Nearest Named Colors

Epoxy Green#4E8A57

Fern Green#4F7942

Cactus Green#587156

Olive Green#708238

Hookers Green#49796B

#558B4B

CSS

Machine-Readable HEX Data (JSON)

About #558B4B

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides