HEX atlas value

#517A1F

#517A1F is a cool green HEX color close to Fern Frond. According to Colors Encyclopedia, it converts to RGB 81, 122, 31, HSL 87, 59%, 30%, has luminance 0.1577, and belongs to the earth tone and jewel tone groups.

green cool earth-tone jewel-tone

#517A1F Sample readable text

HEX #517A1F

RGB rgb(81, 122, 31)

HSL hsl(87 59% 30%)

CMYK cmyk(34, 0, 75, 52)

Luminance 0.1577

Contrast Black 4.15:1White 5.06:1

CSS

--color-517a1f: #517A1F;
.background-517a1f { background-color: #517A1F; }
.text-517a1f { color: #517A1F; }

Luminance0.1577

Black text4.15:1AA Fail

White text5.06:1AA 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":"#517A1F","rgb":[81,122,31],"hsl":[87,59,30],"cmyk":[34,0,75,52],"luminance":0.1577,"contrast":{"black":4.15,"white":5.06}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":4.15,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":5.06,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#20310D","hex":"#20310D","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.51,"contrastWhite":13.94,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#481F7A","hex":"#481F7A","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":1.75,"contrastWhite":11.99,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#82C332","hex":"#82C332","family":"green","bestTextColor":"#000000","contrastBlack":9.8,"contrastWhite":2.14,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Moss Deep","hex":"#4A5D23","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.88,"contrastWhite":7.29,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#4F6930","hex":"#4F6930","family":"green","bestTextColor":"#FFFFFF","contrastBlack":3.4,"contrastWhite":6.18,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]

AI context

{"semanticGroups":["cool green","earth tone","jewel tone","earth tone green","jewel tone green","Fern Frond 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/517a1f.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/fern-frond.json","https://www.colorsencyclopedia.com/api/colors/dark-olive-green.json","https://www.colorsencyclopedia.com/api/colors/avocado.json"]}

Harmonies

{"complementary":"#481F7A","analogous":["#7A751F","#247A1F"],"triadic":["#1F517A","#7A1F51"],"tetradic":["#1F7A75","#481F7A","#7A1F24"],"splitComplementary":["#1F247A","#751F7A"],"monochromatic":["#82C332","#517A1F","#20310D"]}

Variants

{"light":"#82C332","dark":"#20310D","saturated":"#538A0F","desaturated":"#4F6930","pastel":"#91BF5A","neon":"#6BC200"}

Nearest named colors

[{"slug":"fern-frond","name":"Fern Frond","hex":"#657220","distance":21.563858652847824},{"slug":"dark-olive-green","name":"Dark Olive Green","hex":"#556B2F","distance":22.293496809607955},{"slug":"avocado","name":"Avocado","hex":"#568203","distance":29.546573405388315},{"slug":"moss-deep","name":"Moss Deep","hex":"#4A5D23","distance":30.099833886584822},{"slug":"olive-drab","name":"Olive Drab","hex":"#6B8E23","distance":33.04542328371661}]

HEX meaning and use

About #517A1F

#517A1F is classified as a cool green value with earth tone and jewel tone visual character. #517A1F is visually closest to Fern Frond, a named green color with HEX #657220.

The RGB channels are 81, 122, and 31, with green carrying the strongest channel weight. In HSL, the hue is 87deg 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 0.1577, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 21.56, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.15:1AA Fail

White text5.06:1AA Pass

AA text options: #FFFFFF, #F5F5F5.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #517A1F needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.15:1 · Fail

White text#FFFFFF5.06:1 · AA

Accessible Alternatives

#20310D#FFFFFF text · best 13.94:1#20310D

#481F7A#FFFFFF text · best 11.99:1#481F7A

#82C332#000000 text · best 9.8:1#82C332

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

#4F6930#FFFFFF text · best 6.18:1#4F6930

Generated Palette

#517A1F#517A1F

#481F7A#481F7A

#7A751F#7A751F

#247A1F#247A1F

#82C332#82C332

#20310D#20310D

Color Harmonies

#481F7A#481F7A

#7A751F#7A751F

#247A1F#247A1F

#1F517A#1F517A

#7A1F51#7A1F51

Variants

#82C332#82C332

#20310D#20310D

#538A0F#538A0F

#4F6930#4F6930

#91BF5A#91BF5A

#6BC200#6BC200

Nearest Named Colors

Fern Frond#657220

Dark Olive Green#556B2F

Avocado#568203

Moss Deep#4A5D23

Olive Drab#6B8E23

#517A1F

CSS

Machine-Readable HEX Data (JSON)

About #517A1F

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides