HEX atlas value

#3F7A1F

#3F7A1F is a cool green HEX color close to Dark Olive Green. According to Colors Encyclopedia, it converts to RGB 63, 122, 31, HSL 99, 59%, 30%, has luminance 0.1507, and belongs to the earth tone and jewel tone groups.

green cool earth-tone jewel-tone

#3F7A1F Sample readable text

HEX #3F7A1F

RGB rgb(63, 122, 31)

HSL hsl(99 59% 30%)

CMYK cmyk(48, 0, 75, 52)

Luminance 0.1507

Contrast Black 4.01:1White 5.23:1

CSS

--color-3f7a1f: #3F7A1F;
.background-3f7a1f { background-color: #3F7A1F; }
.text-3f7a1f { color: #3F7A1F; }

Luminance0.1507

Black text4.01:1AA Fail

White text5.23:1AA 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

Structured sections

Color systems

{"hex":"#3F7A1F","rgb":[63,122,31],"hsl":[99,59,30],"cmyk":[48,0,75,52],"luminance":0.1507,"contrast":{"black":4.01,"white":5.23}}

WCAG

{"AA":["#FFFFFF","#F5F5F5"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":4.01,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.23,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#19310D","hex":"#19310D","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.49,"contrastWhite":14.13,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#5A1F7A","hex":"#5A1F7A","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":1.91,"contrastWhite":10.98,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#65C332","hex":"#65C332","family":"green","bestTextColor":"#000000","contrastBlack":9.41,"contrastWhite":2.23,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Terre Verte","hex":"#385E0F","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.78,"contrastWhite":7.56,"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","Dark Olive Green 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/3f7a1f.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/dark-olive-green.json","https://www.colorsencyclopedia.com/api/colors/moss-deep.json","https://www.colorsencyclopedia.com/api/colors/terre-verte.json"]}

Harmonies

{"complementary":"#5A1F7A","analogous":["#6C7A1F","#1F7A2D"],"triadic":["#1F3F7A","#7A1F3F"],"tetradic":["#1F6C7A","#5A1F7A","#7A2D1F"],"splitComplementary":["#2D1F7A","#7A1F6C"],"monochromatic":["#65C332","#3F7A1F","#19310D"]}

Variants

{"light":"#65C332","dark":"#19310D","saturated":"#3A8A0F","desaturated":"#446930","pastel":"#7DBF5A","neon":"#44C200"}

Nearest named colors

[{"slug":"dark-olive-green","name":"Dark Olive Green","hex":"#556B2F","distance":31.064449134018133},{"slug":"moss-deep","name":"Moss Deep","hex":"#4A5D23","distance":31.272991542223778},{"slug":"terre-verte","name":"Terre Verte","hex":"#385E0F","distance":33},{"slug":"forest-green","name":"Forest Green","hex":"#228B22","distance":33.74907406137241},{"slug":"scheeles-green","name":"Scheele Green","hex":"#478800","distance":34.942810419312295}]

HEX meaning and use

About #3F7A1F

#3F7A1F is classified as a cool green value with earth tone and jewel tone visual character. #3F7A1F is visually closest to Dark Olive Green, a named green color with HEX #556B2F.

The RGB channels are 63, 122, and 31, with green carrying the strongest channel weight. In HSL, the hue is 99deg with 59% saturation and 30% 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 0.1507, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 31.06, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.01:1AA Fail

White text5.23:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #3F7A1F needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.01:1 · Fail

White text#FFFFFF5.23:1 · AA

Accessible Alternatives

#19310D#FFFFFF text · best 14.13:1#19310D

#5A1F7A#FFFFFF text · best 10.98:1#5A1F7A

#65C332#000000 text · best 9.41:1#65C332

Terre Verte#FFFFFF text · best 7.56:1#385E0F

Moss Deep#FFFFFF text · best 7.29:1#4A5D23

Generated Palette

#3F7A1F#3F7A1F

#5A1F7A#5A1F7A

#6C7A1F#6C7A1F

#1F7A2D#1F7A2D

#65C332#65C332

#19310D#19310D

Color Harmonies

#5A1F7A#5A1F7A

#6C7A1F#6C7A1F

#1F7A2D#1F7A2D

#1F3F7A#1F3F7A

#7A1F3F#7A1F3F

Variants

#65C332#65C332

#19310D#19310D

#3A8A0F#3A8A0F

#446930#446930

#7DBF5A#7DBF5A

#44C200#44C200

Nearest Named Colors

Dark Olive Green#556B2F

Moss Deep#4A5D23

Terre Verte#385E0F

Forest Green#228B22

Scheele Green#478800

#3F7A1F

CSS

Machine-Readable HEX Data (JSON)

About #3F7A1F

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides