HEX atlas value

#518566

#518566 is a cool green HEX color close to Hookers Green. According to Colors Encyclopedia, it converts to RGB 81, 133, 102, HSL 144, 24%, 42%, has luminance 0.1948, and belongs to the muted and earth tone groups.

#518566 Sample readable text
HEX #518566
RGB rgb(81, 133, 102)
HSL hsl(144 24% 42%)
CMYK cmyk(39, 0, 23, 48)
Luminance 0.1948
Contrast Black 4.9:1White 4.29:1

CSS

--color-518566: #518566;
.background-518566 { background-color: #518566; }
.text-518566 { color: #518566; }

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
Luminance0.1948
Black text4.9:1AA Pass
White text4.29:1AA 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":"#518566","rgb":[81,133,102],"hsl":[144,24,42],"cmyk":[39,0,23,48],"luminance":0.1948,"contrast":{"black":4.9,"white":4.29}}
WCAG
{"AA":["#000000"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.9,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.29,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#2F4C3A","hex":"#2F4C3A","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.22,"contrastWhite":9.48,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#81B194","hex":"#81B194","family":"green","bestTextColor":"#000000","contrastBlack":8.65,"contrastWhite":2.43,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#855170","hex":"#855170","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":3.41,"contrastWhite":6.16,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#3A9C61","hex":"#3A9C61","family":"green","bestTextColor":"#000000","contrastBlack":6.11,"contrastWhite":3.44,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"#696D6B","hex":"#696D6B","family":"gray","bestTextColor":"#FFFFFF","contrastBlack":4,"contrastWhite":5.25,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["cool green","muted","earth tone","muted green","earth tone green","Hookers Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","muted interface themes","natural palettes","botanical and wellness palettes"],"contrastSafeWith":["#000000"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/518566.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/hookers-green.json","https://www.colorsencyclopedia.com/api/colors/epoxy-green.json","https://www.colorsencyclopedia.com/api/colors/viridian.json"]}
Harmonies
{"complementary":"#855170","analogous":["#578551","#518580"],"triadic":["#665185","#856651"],"tetradic":["#515785","#855170","#858051"],"splitComplementary":["#805185","#855157"],"monochromatic":["#81B194","#518566","#2F4C3A"]}
Variants
{"light":"#81B194","dark":"#2F4C3A","saturated":"#3A9C61","desaturated":"#696D6B","pastel":"#A3B2A9","neon":"#00FF66"}
Nearest named colors
[{"slug":"hookers-green","name":"Hookers Green","hex":"#49796B","distance":15.264337522473747},{"slug":"epoxy-green","name":"Epoxy Green","hex":"#4E8A57","distance":16.09347693943108},{"slug":"viridian","name":"Viridian","hex":"#40826D","distance":18.627936010197157},{"slug":"eucalyptus","name":"Eucalyptus","hex":"#5F8575","distance":20.518284528683193},{"slug":"alexandrite","name":"Alexandrite","hex":"#3D8B74","distance":25.13961017995307}]

HEX meaning and use

About #518566

#518566 is classified as a cool green value with muted and earth tone visual character. #518566 is visually closest to Hookers Green, a named green color with HEX #49796B.

The RGB channels are 81, 133, and 102, with green carrying the strongest channel weight. In HSL, the hue is 144deg with 24% 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 muted interface themes. Its luminance is 0.1948, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 15.26, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.9:1AA Pass
White text4.29:1AA Fail

AA text options: #000000.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #518566 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.9:1 · AA
White text#FFFFFF4.29:1 · Fail

Accessible Alternatives

#2F4C3A#FFFFFF text · best 9.48:1#2F4C3A
#81B194#000000 text · best 8.65:1#81B194
#855170#FFFFFF text · best 6.16:1#855170
#3A9C61#000000 text · best 6.11:1#3A9C61
#696D6B#FFFFFF text · best 5.25:1#696D6B

Generated Palette

#518566#518566
#855170#855170
#578551#578551
#518580#518580
#81B194#81B194
#2F4C3A#2F4C3A

Color Harmonies

#855170#855170
#578551#578551
#518580#518580
#665185#665185
#856651#856651

Variants

#81B194#81B194
#2F4C3A#2F4C3A
#3A9C61#3A9C61
#696D6B#696D6B
#A3B2A9#A3B2A9
#00FF66#00FF66

Nearest Named Colors