HEX atlas value

#A5A509

#A5A509 is a warm yellow HEX color close to Acid Green. According to Colors Encyclopedia, it converts to RGB 165, 165, 9, HSL 60, 90%, 34%, has luminance 0.3493, and belongs to the balanced group.

yellow warm balanced

#A5A509 Sample readable text

HEX #A5A509

RGB rgb(165, 165, 9)

HSL hsl(60 90% 34%)

CMYK cmyk(0, 0, 95, 35)

Luminance 0.3493

Contrast Black 7.99:1White 2.63:1

CSS

--color-a5a509: #A5A509;
.background-a5a509 { background-color: #A5A509; }
.text-a5a509 { color: #A5A509; }

Luminance0.3493

Black text7.99:1AA Pass

White text2.63:1AA 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":"#A5A509","rgb":[165,165,9],"hsl":[60,90,34],"cmyk":[0,0,95,35],"luminance":0.3493,"contrast":{"black":7.99,"white":2.63}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":7.99,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.63,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#F3F316","hex":"#F3F316","family":"yellow","bestTextColor":"#000000","contrastBlack":17.64,"contrastWhite":1.19,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#0909A5","hex":"#0909A5","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":1.59,"contrastWhite":13.17,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Peridot","hex":"#B4C424","family":"yellow","bestTextColor":"#000000","contrastBlack":10.86,"contrastWhite":1.93,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Acid Green","hex":"#B0BF1A","family":"yellow","bestTextColor":"#000000","contrastBlack":10.31,"contrastWhite":2.04,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Goldenrod","hex":"#DAA520","family":"orange","bestTextColor":"#000000","contrastBlack":9.38,"contrastWhite":2.24,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["warm yellow","balanced","balanced yellow","Acid Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a5a509.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/acid-green.json","https://www.colorsencyclopedia.com/api/colors/dark-goldenrod.json","https://www.colorsencyclopedia.com/api/colors/peridot.json"]}

Harmonies

{"complementary":"#0909A5","analogous":["#A55709","#57A509"],"triadic":["#09A5A5","#A509A5"],"tetradic":["#09A557","#0909A5","#A50957"],"splitComplementary":["#0957A5","#5709A5"],"monochromatic":["#F3F316","#A5A509","#4E4E04"]}

Variants

{"light":"#F3F316","dark":"#4E4E04","saturated":"#ADAD00","desaturated":"#92921C","pastel":"#E5E548","neon":"#D6D600"}

Nearest named colors

[{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":32.95451410656816},{"slug":"dark-goldenrod","name":"Dark Goldenrod","hex":"#B8860B","distance":36.41428291206625},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":43.76071297408213},{"slug":"olive","name":"Olive","hex":"#808000","distance":53.094255809833136},{"slug":"goldenrod","name":"Goldenrod","hex":"#DAA520","distance":57.77542730261716}]

HEX meaning and use

About #A5A509

#A5A509 is classified as a warm yellow value with balanced visual character. #A5A509 is visually closest to Acid Green, a named yellow color with HEX #B0BF1A.

The RGB channels are 165, 165, and 9, with red carrying the strongest channel weight. In HSL, the hue is 60deg 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 highlight and warning systems. Its luminance is 0.3493, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 32.95, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text7.99:1AA Pass

White text2.63:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A5A509 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000007.99:1 · AAA

White text#FFFFFF2.63:1 · Fail

Accessible Alternatives

#F3F316#000000 text · best 17.64:1#F3F316

#0909A5#FFFFFF text · best 13.17:1#0909A5

Peridot#000000 text · best 10.86:1#B4C424

Acid Green#000000 text · best 10.31:1#B0BF1A

Goldenrod#000000 text · best 9.38:1#DAA520

Generated Palette

#A5A509#A5A509

#0909A5#0909A5

#A55709#A55709

#57A509#57A509

#F3F316#F3F316

#4E4E04#4E4E04

Color Harmonies

#0909A5#0909A5

#A55709#A55709

#57A509#57A509

#09A5A5#09A5A5

#A509A5#A509A5

Variants

#F3F316#F3F316

#4E4E04#4E4E04

#ADAD00#ADAD00

#92921C#92921C

#E5E548#E5E548

#D6D600#D6D600

Nearest Named Colors

Acid Green#B0BF1A

Dark Goldenrod#B8860B

Peridot#B4C424

Olive#808000

Goldenrod#DAA520

#A5A509

CSS

Machine-Readable HEX Data (JSON)

About #A5A509

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides