HEX atlas value

#A9D204

#A9D204 is a cool green HEX color close to Acid Green. According to Colors Encyclopedia, it converts to RGB 169, 210, 4, HSL 72, 96%, 42%, has luminance 0.5454, and belongs to the vibrant and jewel tone groups.

green cool vibrant jewel-tone

#A9D204 Sample readable text

HEX #A9D204

RGB rgb(169, 210, 4)

HSL hsl(72 96% 42%)

CMYK cmyk(20, 0, 98, 18)

Luminance 0.5454

Contrast Black 11.91:1White 1.76:1

CSS

--color-a9d204: #A9D204;
.background-a9d204 { background-color: #A9D204; }
.text-a9d204 { color: #A9D204; }

Luminance0.5454

Black text11.91:1AA Pass

White text1.76:1AA 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":"#A9D204","rgb":[169,210,4],"hsl":[72,96,42],"cmyk":[20,0,98,18],"luminance":0.5454,"contrast":{"black":11.91,"white":1.76}}

WCAG

{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":11.91,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.76,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"Electric Lime","hex":"#CCFF00","family":"green","bestTextColor":"#000000","contrastBlack":17.87,"contrastWhite":1.18,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#D4FB37","hex":"#D4FB37","family":"green","bestTextColor":"#000000","contrastBlack":17.65,"contrastWhite":1.19,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Citrine","hex":"#E4D00A","family":"yellow","bestTextColor":"#000000","contrastBlack":13.33,"contrastWhite":1.58,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#ABD600","hex":"#ABD600","family":"green","bestTextColor":"#000000","contrastBlack":12.35,"contrastWhite":1.7,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Yellow Green","hex":"#9ACD32","family":"green","bestTextColor":"#000000","contrastBlack":11.15,"contrastWhite":1.88,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["cool green","vibrant","jewel tone","vibrant green","jewel tone green","Acid Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","high-energy accents","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a9d204.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/acid-green.json","https://www.colorsencyclopedia.com/api/colors/peridot.json","https://www.colorsencyclopedia.com/api/colors/yellow-green.json"]}

Harmonies

{"complementary":"#2D04D2","analogous":["#D29404","#42D204"],"triadic":["#04A9D2","#D204A9"],"tetradic":["#04D294","#2D04D2","#D20442"],"splitComplementary":["#0442D2","#9404D2"],"monochromatic":["#D4FB37","#A9D204","#607802"]}

Variants

{"light":"#D4FB37","dark":"#607802","saturated":"#ABD600","desaturated":"#9BBA1C","pastel":"#D4EF67","neon":"#CCFF00"}

Nearest named colors

[{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":29.899832775452108},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":36.61966684720111},{"slug":"yellow-green","name":"Yellow Green","hex":"#9ACD32","distance":48.641546028061235},{"slug":"electric-lime","name":"Electric Lime","hex":"#CCFF00","distance":57.148928248918196},{"slug":"citrine","name":"Citrine","hex":"#E4D00A","distance":59.33801479658719}]

HEX meaning and use

About #A9D204

#A9D204 is classified as a cool green value with vibrant and jewel tone visual character. #A9D204 is visually closest to Acid Green, a named yellow color with HEX #B0BF1A.

The RGB channels are 169, 210, and 4, with green carrying the strongest channel weight. In HSL, the hue is 72deg with 96% saturation and 42% 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 0.5454, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 29.90, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text11.91:1AA Pass

White text1.76:1AA Fail

AA text options: #000000, #1A1A1A, #36454F.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A9D204 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000011.91:1 · AAA

White text#FFFFFF1.76:1 · Fail

Accessible Alternatives

Electric Lime#000000 text · best 17.87:1#CCFF00

#D4FB37#000000 text · best 17.65:1#D4FB37

Citrine#000000 text · best 13.33:1#E4D00A

#ABD600#000000 text · best 12.35:1#ABD600

Yellow Green#000000 text · best 11.15:1#9ACD32

Generated Palette

#A9D204#A9D204

#2D04D2#2D04D2

#D29404#D29404

#42D204#42D204

#D4FB37#D4FB37

#607802#607802

Color Harmonies

#2D04D2#2D04D2

#D29404#D29404

#42D204#42D204

#04A9D2#04A9D2

#D204A9#D204A9

Variants

#D4FB37#D4FB37

#607802#607802

#ABD600#ABD600

#9BBA1C#9BBA1C

#D4EF67#D4EF67

Electric Lime#CCFF00

Nearest Named Colors

Acid Green#B0BF1A

Peridot#B4C424

Yellow Green#9ACD32

Electric Lime#CCFF00

Citrine#E4D00A

#A9D204

CSS

Machine-Readable HEX Data (JSON)

About #A9D204

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides