HEX atlas value

#538551

#538551 is a cool green HEX color close to Epoxy Green. According to Colors Encyclopedia, it converts to RGB 83, 133, 81, HSL 118, 24%, 42%, has luminance 0.1921, and belongs to the muted and earth tone groups.

#538551 Sample readable text
HEX #538551
RGB rgb(83, 133, 81)
HSL hsl(118 24% 42%)
CMYK cmyk(38, 0, 39, 48)
Luminance 0.1921
Contrast Black 4.84:1White 4.34:1

CSS

--color-538551: #538551;
.background-538551 { background-color: #538551; }
.text-538551 { color: #538551; }

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
Luminance0.1921
Black text4.84:1AA Pass
White text4.34:1AA 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":"#538551","rgb":[83,133,81],"hsl":[118,24,42],"cmyk":[38,0,39,48],"luminance":0.1921,"contrast":{"black":4.84,"white":4.34}}
WCAG
{"AA":["#000000"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.84,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.34,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#2F4C2F","hex":"#2F4C2F","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.2,"contrastWhite":9.56,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#82B181","hex":"#82B181","family":"green","bestTextColor":"#000000","contrastBlack":8.56,"contrastWhite":2.45,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#835185","hex":"#835185","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":3.48,"contrastWhite":6.03,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"#3D9C3A","hex":"#3D9C3A","family":"green","bestTextColor":"#000000","contrastBlack":6.01,"contrastWhite":3.49,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"Cactus Green","hex":"#587156","family":"green","bestTextColor":"#FFFFFF","contrastBlack":3.91,"contrastWhite":5.37,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["cool green","muted","earth tone","muted green","earth tone green","Epoxy 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/538551.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":"#835185","analogous":["#6D8551","#518569"],"triadic":["#515385","#855153"],"tetradic":["#516D85","#835185","#856951"],"splitComplementary":["#695185","#85516D"],"monochromatic":["#82B181","#538551","#2F4C2F"]}
Variants
{"light":"#82B181","dark":"#2F4C2F","saturated":"#3D9C3A","desaturated":"#696D69","pastel":"#A4B2A3","neon":"#08FF00"}
Nearest named colors
[{"slug":"epoxy-green","name":"Epoxy Green","hex":"#4E8A57","distance":9.273618495495704},{"slug":"fern-green","name":"Fern Green","hex":"#4F7942","distance":19.621416870348583},{"slug":"cactus-green","name":"Cactus Green","hex":"#587156","distance":21.213203435596427},{"slug":"hookers-green","name":"Hookers Green","hex":"#49796B","distance":30.331501776206203},{"slug":"viridian","name":"Viridian","hex":"#40826D","distance":33.97057550292606}]

HEX meaning and use

About #538551

#538551 is classified as a cool green value with muted and earth tone visual character. #538551 is visually closest to Epoxy Green, a named green color with HEX #4E8A57.

The RGB channels are 83, 133, and 81, with green carrying the strongest channel weight. In HSL, the hue is 118deg 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 0.1921, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 9.27, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.84:1AA Pass
White text4.34:1AA Fail

AA text options: #000000.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #538551 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.84:1 · AA
White text#FFFFFF4.34:1 · Fail

Accessible Alternatives

#2F4C2F#FFFFFF text · best 9.56:1#2F4C2F
#82B181#000000 text · best 8.56:1#82B181
#835185#FFFFFF text · best 6.03:1#835185
#3D9C3A#000000 text · best 6.01:1#3D9C3A
Cactus Green#FFFFFF text · best 5.37:1#587156

Generated Palette

#538551#538551
#835185#835185
#6D8551#6D8551
#518569#518569
#82B181#82B181
#2F4C2F#2F4C2F

Color Harmonies

#835185#835185
#6D8551#6D8551
#518569#518569
#515385#515385
#855153#855153

Variants

#82B181#82B181
#2F4C2F#2F4C2F
#3D9C3A#3D9C3A
#696D69#696D69
#A4B2A3#A4B2A3
#08FF00#08FF00

Nearest Named Colors