HEX atlas value

#4B8B66

#4B8B66 is a cool green HEX color close to Epoxy Green. According to Colors Encyclopedia, it converts to RGB 75, 139, 102, HSL 145, 30%, 42%, has luminance 0.2092, and belongs to the earth tone group.

#4B8B66 Sample readable text
HEX #4B8B66
RGB rgb(75, 139, 102)
HSL hsl(145 30% 42%)
CMYK cmyk(46, 0, 27, 45)
Luminance 0.2092
Contrast Black 5.18:1White 4.05:1

CSS

--color-4b8b66: #4B8B66;
.background-4b8b66 { background-color: #4B8B66; }
.text-4b8b66 { color: #4B8B66; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.2092
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
Download JSON Open API
Structured sections
Color systems
{"hex":"#4B8B66","rgb":[75,139,102],"hsl":[145,30,42],"cmyk":[46,0,27,45],"luminance":0.2092,"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":"#7AB894","hex":"#7AB894","family":"green","bestTextColor":"#000000","contrastBlack":9.11,"contrastWhite":2.3,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#2B503A","hex":"#2B503A","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.31,"contrastWhite":9.08,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#33A362","hex":"#33A362","family":"green","bestTextColor":"#000000","contrastBlack":6.56,"contrastWhite":3.2,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"#8B4B70","hex":"#8B4B70","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":3.34,"contrastWhite":6.29,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#4B8B86","hex":"#4B8B86","family":"cyan","bestTextColor":"#000000","contrastBlack":5.34,"contrastWhite":3.94,"wcagAA":["#000000"],"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/4b8b66.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/epoxy-green.json","https://www.colorsencyclopedia.com/api/colors/viridian.json","https://www.colorsencyclopedia.com/api/colors/hookers-green.json"]}
Harmonies
{"complementary":"#8B4B70","analogous":["#508B4B","#4B8B86"],"triadic":["#664B8B","#8B664B"],"tetradic":["#4B508B","#8B4B70","#8B864B"],"splitComplementary":["#864B8B","#8B4B50"],"monochromatic":["#7AB894","#4B8B66","#2B503A"]}
Variants
{"light":"#7AB894","dark":"#2B503A","saturated":"#33A362","desaturated":"#63746A","pastel":"#9EB7A9","neon":"#00FF6A"}
Nearest named colors
[{"slug":"epoxy-green","name":"Epoxy Green","hex":"#4E8A57","distance":15.329709716755891},{"slug":"viridian","name":"Viridian","hex":"#40826D","distance":15.84297951775486},{"slug":"hookers-green","name":"Hookers Green","hex":"#49796B","distance":18.788294228055936},{"slug":"alexandrite","name":"Alexandrite","hex":"#3D8B74","distance":19.79898987322333},{"slug":"eucalyptus","name":"Eucalyptus","hex":"#5F8575","distance":25.709920264364882}]

HEX meaning and use

About #4B8B66

#4B8B66 is classified as a cool green value with earth tone visual character. #4B8B66 is visually closest to Epoxy Green, a named green color with HEX #4E8A57.

The RGB channels are 75, 139, and 102, with green carrying the strongest channel weight. In HSL, the hue is 145deg 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 0.2092, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 15.33, 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 #4B8B66 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.18:1 · AA
White text#FFFFFF4.05:1 · Fail

Accessible Alternatives

#7AB894#000000 text · best 9.11:1#7AB894
#2B503A#FFFFFF text · best 9.08:1#2B503A
#33A362#000000 text · best 6.56:1#33A362
#8B4B70#FFFFFF text · best 6.29:1#8B4B70
#4B8B86#000000 text · best 5.34:1#4B8B86

Generated Palette

#4B8B66#4B8B66
#8B4B70#8B4B70
#508B4B#508B4B
#4B8B86#4B8B86
#7AB894#7AB894
#2B503A#2B503A

Color Harmonies

#8B4B70#8B4B70
#508B4B#508B4B
#4B8B86#4B8B86
#664B8B#664B8B
#8B664B#8B664B

Variants

#7AB894#7AB894
#2B503A#2B503A
#33A362#33A362
#63746A#63746A
#9EB7A9#9EB7A9
#00FF6A#00FF6A

Nearest Named Colors