HEX atlas value

#397637

#397637 is a cool green HEX color close to Hunter Green. According to Colors Encyclopedia, it converts to RGB 57, 118, 55, HSL 118, 36%, 34%, has luminance 0.141, and belongs to the earth tone group.

#397637 Sample readable text
HEX #397637
RGB rgb(57, 118, 55)
HSL hsl(118 36% 34%)
CMYK cmyk(52, 0, 53, 54)
Luminance 0.141
Contrast Black 3.82:1White 5.5:1

CSS

--color-397637: #397637;
.background-397637 { background-color: #397637; }
.text-397637 { color: #397637; }

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
Luminance0.141
Black text3.82:1AA Fail
White text5.5:1AA 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
Download JSON Open API
Structured sections
Color systems
{"hex":"#397637","rgb":[57,118,55],"hsl":[118,36,34],"cmyk":[52,0,53,54],"luminance":0.141,"contrast":{"black":3.82,"white":5.5}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.82,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.5,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#1B371A","hex":"#1B371A","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.61,"contrastWhite":13.06,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#743776","hex":"#743776","family":"pink","bestTextColor":"#FFFFFF","contrastBlack":2.55,"contrastWhite":8.24,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#5BB159","hex":"#5BB159","family":"green","bestTextColor":"#000000","contrastBlack":7.88,"contrastWhite":2.67,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Hunter Green","hex":"#355E3B","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.82,"contrastWhite":7.46,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Moss Deep","hex":"#4A5D23","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.88,"contrastWhite":7.29,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]}]
AI context
{"semanticGroups":["cool green","earth tone","earth tone green","Hunter Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","botanical and wellness palettes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/397637.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/hunter-green.json","https://www.colorsencyclopedia.com/api/colors/fern-green.json","https://www.colorsencyclopedia.com/api/colors/dark-olive-green.json"]}
Harmonies
{"complementary":"#743776","analogous":["#597637","#377655"],"triadic":["#373A76","#76373A"],"tetradic":["#375976","#743776","#765537"],"splitComplementary":["#553776","#763759"],"monochromatic":["#5BB159","#397637","#1B371A"]}
Variants
{"light":"#5BB159","dark":"#1B371A","saturated":"#288924","desaturated":"#4B634B","pastel":"#82AC80","neon":"#07D600"}
Nearest named colors
[{"slug":"hunter-green","name":"Hunter Green","hex":"#355E3B","distance":24.657656011875904},{"slug":"fern-green","name":"Fern Green","hex":"#4F7942","distance":24.779023386727733},{"slug":"dark-olive-green","name":"Dark Olive Green","hex":"#556B2F","distance":31.12876483254676},{"slug":"moss-deep","name":"Moss Deep","hex":"#4A5D23","distance":36.24913792078372},{"slug":"forest-green","name":"Forest Green","hex":"#228B22","distance":37.5632799419859}]

HEX meaning and use

About #397637

#397637 is classified as a cool green value with earth tone visual character. #397637 is visually closest to Hunter Green, a named green color with HEX #355E3B.

The RGB channels are 57, 118, and 55, with green carrying the strongest channel weight. In HSL, the hue is 118deg with 36% saturation and 34% lightness, so this page treats it as a moderate-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 0.141, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 24.66, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.82:1AA Fail
White text5.5:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #397637 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.82:1 · Fail
White text#FFFFFF5.5:1 · AA

Accessible Alternatives

#1B371A#FFFFFF text · best 13.06:1#1B371A
#743776#FFFFFF text · best 8.24:1#743776
#5BB159#000000 text · best 7.88:1#5BB159
Hunter Green#FFFFFF text · best 7.46:1#355E3B
Moss Deep#FFFFFF text · best 7.29:1#4A5D23

Generated Palette

#397637#397637
#743776#743776
#597637#597637
#377655#377655
#5BB159#5BB159
#1B371A#1B371A

Color Harmonies

#743776#743776
#597637#597637
#377655#377655
#373A76#373A76
#76373A#76373A

Variants

#5BB159#5BB159
#1B371A#1B371A
#288924#288924
#4B634B#4B634B
#82AC80#82AC80
#07D600#07D600

Nearest Named Colors