HEX atlas value

#3F661E

#3F661E is a cool green HEX color close to Moss Deep. According to Colors Encyclopedia, it converts to RGB 63, 102, 30, HSL 92, 55%, 26%, has luminance 0.1065, and belongs to the earth tone and jewel tone groups.

#3F661E Sample readable text
HEX #3F661E
RGB rgb(63, 102, 30)
HSL hsl(92 55% 26%)
CMYK cmyk(38, 0, 71, 60)
Luminance 0.1065
Contrast Black 3.13:1White 6.71:1

CSS

--color-3f661e: #3F661E;
.background-3f661e { background-color: #3F661E; }
.text-3f661e { color: #3F661E; }

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
Luminance0.1065
Black text3.13:1AA Fail
White text6.71:1AA 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":"#3F661E","rgb":[63,102,30],"hsl":[92,55,26],"cmyk":[38,0,71,60],"luminance":0.1065,"contrast":{"black":3.13,"white":6.71}}
WCAG
{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":3.13,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":6.71,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#142009","hex":"#142009","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.24,"contrastWhite":16.94,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#451E67","hex":"#451E67","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":1.63,"contrastWhite":12.85,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#41582C","hex":"#41582C","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.66,"contrastWhite":7.9,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#6CAE32","hex":"#6CAE32","family":"green","bestTextColor":"#000000","contrastBlack":7.74,"contrastWhite":2.71,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Terre Verte","hex":"#385E0F","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.78,"contrastWhite":7.56,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]}]
AI context
{"semanticGroups":["cool green","earth tone","jewel tone","earth tone green","jewel tone green","Moss Deep adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","rich accent palettes","botanical and wellness palettes"],"contrastSafeWith":["#FFFFFF","#F5F5F5"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/3f661e.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/moss-deep.json","https://www.colorsencyclopedia.com/api/colors/terre-verte.json","https://www.colorsencyclopedia.com/api/colors/dark-olive-green.json"]}
Harmonies
{"complementary":"#451E67","analogous":["#64671E","#1E6720"],"triadic":["#1E4067","#671E40"],"tetradic":["#1E6467","#451E67","#67201E"],"splitComplementary":["#201E67","#671E64"],"monochromatic":["#6CAE32","#3F661E","#142009"]}
Variants
{"light":"#6CAE32","dark":"#142009","saturated":"#3F750F","desaturated":"#41582C","pastel":"#7FB450","neon":"#51AD00"}
Nearest named colors
[{"slug":"moss-deep","name":"Moss Deep","hex":"#4A5D23","distance":15.066519173319364},{"slug":"terre-verte","name":"Terre Verte","hex":"#385E0F","distance":18.384776310850235},{"slug":"dark-olive-green","name":"Dark Olive Green","hex":"#556B2F","distance":28.24889378365107},{"slug":"hunter-green","name":"Hunter Green","hex":"#355E3B","distance":31.701734968294716},{"slug":"fern-frond","name":"Fern Frond","hex":"#657220","distance":39.89987468652001}]

HEX meaning and use

About #3F661E

#3F661E is classified as a cool green value with earth tone and jewel tone visual character. #3F661E is visually closest to Moss Deep, a named green color with HEX #4A5D23.

The RGB channels are 63, 102, and 30, with green carrying the strongest channel weight. In HSL, the hue is 92deg with 55% saturation and 26% lightness, so this page treats it as a moderate-saturation, dark 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 0.1065, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 15.07, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text3.13:1AA Fail
White text6.71:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #3F661E needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000003.13:1 · Fail
White text#FFFFFF6.71:1 · AA

Accessible Alternatives

#142009#FFFFFF text · best 16.94:1#142009
#451E67#FFFFFF text · best 12.85:1#451E67
#41582C#FFFFFF text · best 7.9:1#41582C
#6CAE32#000000 text · best 7.74:1#6CAE32
Terre Verte#FFFFFF text · best 7.56:1#385E0F

Generated Palette

#3F661E#3F661E
#451E67#451E67
#64671E#64671E
#1E6720#1E6720
#6CAE32#6CAE32
#142009#142009

Color Harmonies

#451E67#451E67
#64671E#64671E
#1E6720#1E6720
#1E4067#1E4067
#671E40#671E40

Variants

#6CAE32#6CAE32
#142009#142009
#3F750F#3F750F
#41582C#41582C
#7FB450#7FB450
#51AD00#51AD00

Nearest Named Colors