HEX atlas value

#3F802D

#3F802D is a cool green HEX color close to Fern Green. According to Colors Encyclopedia, it converts to RGB 63, 128, 45, HSL 107, 48%, 34%, has luminance 0.1668, and belongs to the earth tone and jewel tone groups.

#3F802D Sample readable text
HEX #3F802D
RGB rgb(63, 128, 45)
HSL hsl(107 48% 34%)
CMYK cmyk(51, 0, 65, 50)
Luminance 0.1668
Contrast Black 4.34:1White 4.84:1

CSS

--color-3f802d: #3F802D;
.background-3f802d { background-color: #3F802D; }
.text-3f802d { color: #3F802D; }

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
Luminance0.1668
Black text4.34:1AA Fail
White text4.84:1AA 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":"#3F802D","rgb":[63,128,45],"hsl":[107,48,34],"cmyk":[51,0,65,50],"luminance":0.1668,"contrast":{"black":4.34,"white":4.84}}
WCAG
{"AA":["#FFFFFF"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.34,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.84,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#1E3C15","hex":"#1E3C15","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.71,"contrastWhite":12.27,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#63BF4A","hex":"#63BF4A","family":"green","bestTextColor":"#000000","contrastBlack":9.08,"contrastWhite":2.31,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#6E2D80","hex":"#6E2D80","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":2.35,"contrastWhite":8.94,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"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","jewel tone","earth tone green","jewel tone green","Fern Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","rich accent palettes","botanical and wellness palettes"],"contrastSafeWith":["#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/3f802d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/fern-green.json","https://www.colorsencyclopedia.com/api/colors/dark-olive-green.json","https://www.colorsencyclopedia.com/api/colors/forest-green.json"]}
Harmonies
{"complementary":"#6E2D80","analogous":["#69802D","#2D8045"],"triadic":["#2D3F80","#802D3F"],"tetradic":["#2D6980","#6E2D80","#80452D"],"splitComplementary":["#452D80","#802D69"],"monochromatic":["#63BF4A","#3F802D","#1E3C15"]}
Variants
{"light":"#63BF4A","dark":"#1E3C15","saturated":"#34931A","desaturated":"#4A6D40","pastel":"#83B974","neon":"#2ED600"}
Nearest named colors
[{"slug":"fern-green","name":"Fern Green","hex":"#4F7942","distance":27.313000567495326},{"slug":"dark-olive-green","name":"Dark Olive Green","hex":"#556B2F","distance":30.479501308256342},{"slug":"forest-green","name":"Forest Green","hex":"#228B22","distance":32.90896534380867},{"slug":"moss-deep","name":"Moss Deep","hex":"#4A5D23","distance":38.02630668366309},{"slug":"hunter-green","name":"Hunter Green","hex":"#355E3B","distance":38.1051177665153}]

HEX meaning and use

About #3F802D

#3F802D is classified as a cool green value with earth tone and jewel tone visual character. #3F802D is visually closest to Fern Green, a named green color with HEX #4F7942.

The RGB channels are 63, 128, and 45, with green carrying the strongest channel weight. In HSL, the hue is 107deg with 48% 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 0.1668, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 27.31, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

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

AA text options: #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #3F802D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.34:1 · Fail
White text#FFFFFF4.84:1 · AA

Accessible Alternatives

#1E3C15#FFFFFF text · best 12.27:1#1E3C15
#63BF4A#000000 text · best 9.08:1#63BF4A
#6E2D80#FFFFFF text · best 8.94:1#6E2D80
Hunter Green#FFFFFF text · best 7.46:1#355E3B
Moss Deep#FFFFFF text · best 7.29:1#4A5D23

Generated Palette

#3F802D#3F802D
#6E2D80#6E2D80
#69802D#69802D
#2D8045#2D8045
#63BF4A#63BF4A
#1E3C15#1E3C15

Color Harmonies

#6E2D80#6E2D80
#69802D#69802D
#2D8045#2D8045
#2D3F80#2D3F80
#802D3F#802D3F

Variants

#63BF4A#63BF4A
#1E3C15#1E3C15
#34931A#34931A
#4A6D40#4A6D40
#83B974#83B974
#2ED600#2ED600

Nearest Named Colors