HEX atlas value

#57A509

#57A509 is a cool green HEX color close to Kelly Green. According to Colors Encyclopedia, it converts to RGB 87, 165, 9, HSL 90, 90%, 34%, has luminance 0.2896, and belongs to the jewel tone group.

green cool jewel-tone

#57A509 Sample readable text

HEX #57A509

RGB rgb(87, 165, 9)

HSL hsl(90 90% 34%)

CMYK cmyk(47, 0, 95, 35)

Luminance 0.2896

Contrast Black 6.79:1White 3.09:1

CSS

--color-57a509: #57A509;
.background-57a509 { background-color: #57A509; }
.text-57a509 { color: #57A509; }

Luminance0.2896

Black text6.79:1AA Pass

White text3.09:1AA Fail

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":"#57A509","rgb":[87,165,9],"hsl":[90,90,34],"cmyk":[47,0,95,35],"luminance":0.2896,"contrast":{"black":6.79,"white":3.09}}

WCAG

{"AA":["#000000","#1A1A1A"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":6.79,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.09,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#85F316","hex":"#85F316","family":"green","bestTextColor":"#000000","contrastBlack":14.83,"contrastWhite":1.42,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#5709A5","hex":"#5709A5","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":1.99,"contrastWhite":10.56,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#294E04","hex":"#294E04","family":"green","bestTextColor":"#FFFFFF","contrastBlack":2.19,"contrastWhite":9.61,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Kelly Green","hex":"#4CBB17","family":"green","bestTextColor":"#000000","contrastBlack":8.43,"contrastWhite":2.49,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#A5A509","hex":"#A5A509","family":"yellow","bestTextColor":"#000000","contrastBlack":7.99,"contrastWhite":2.63,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]

AI context

{"semanticGroups":["cool green","jewel tone","jewel tone green","Kelly Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/57a509.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/kelly-green.json","https://www.colorsencyclopedia.com/api/colors/scheeles-green.json","https://www.colorsencyclopedia.com/api/colors/avocado.json"]}

Harmonies

{"complementary":"#5709A5","analogous":["#A5A509","#09A509"],"triadic":["#0957A5","#A50957"],"tetradic":["#09A5A5","#5709A5","#A50909"],"splitComplementary":["#0909A5","#A509A5"],"monochromatic":["#85F316","#57A509","#294E04"]}

Variants

{"light":"#85F316","dark":"#294E04","saturated":"#57AD00","desaturated":"#57921C","pastel":"#96E548","neon":"#6BD600"}

Nearest named colors

[{"slug":"kelly-green","name":"Kelly Green","hex":"#4CBB17","distance":28.30194339616981},{"slug":"scheeles-green","name":"Scheele Green","hex":"#478800","distance":34.322004603461025},{"slug":"avocado","name":"Avocado","hex":"#568203","distance":35.52463933666322},{"slug":"olive-drab","name":"Olive Drab","hex":"#6B8E23","distance":40.06245124802026},{"slug":"olive-leaf","name":"Olive Leaf","hex":"#6B8E23","distance":40.06245124802026}]

HEX meaning and use

About #57A509

#57A509 is classified as a cool green value with jewel tone visual character. #57A509 is visually closest to Kelly Green, a named green color with HEX #4CBB17.

The RGB channels are 87, 165, and 9, with green carrying the strongest channel weight. In HSL, the hue is 90deg with 90% saturation and 34% lightness, so this page treats it as a high-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 rich accent palettes. Its luminance is 0.2896, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 28.30, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.79:1AA Pass

White text3.09:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #57A509 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.79:1 · AA

White text#FFFFFF3.09:1 · Fail

Accessible Alternatives

#85F316#000000 text · best 14.83:1#85F316

#5709A5#FFFFFF text · best 10.56:1#5709A5

#294E04#FFFFFF text · best 9.61:1#294E04

Kelly Green#000000 text · best 8.43:1#4CBB17

#A5A509#000000 text · best 7.99:1#A5A509

Generated Palette

#57A509#57A509

#5709A5#5709A5

#A5A509#A5A509

#09A509#09A509

#85F316#85F316

#294E04#294E04

Color Harmonies

#5709A5#5709A5

#A5A509#A5A509

#09A509#09A509

#0957A5#0957A5

#A50957#A50957

Variants

#85F316#85F316

#294E04#294E04

#57AD00#57AD00

#57921C#57921C

#96E548#96E548

#6BD600#6BD600

Nearest Named Colors

Kelly Green#4CBB17

Scheele Green#478800

Avocado#568203

Olive Drab#6B8E23

Olive Leaf#6B8E23

#57A509

CSS

Machine-Readable HEX Data (JSON)

About #57A509

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides