HEX atlas value

#A4D42B

#A4D42B is a cool green HEX color close to Yellow Green. According to Colors Encyclopedia, it converts to RGB 164, 212, 43, HSL 77, 66%, 50%, has luminance 0.5515, and belongs to the balanced group.

#A4D42B Sample readable text
HEX #A4D42B
RGB rgb(164, 212, 43)
HSL hsl(77 66% 50%)
CMYK cmyk(23, 0, 80, 17)
Luminance 0.5515
Contrast Black 12.03:1White 1.75:1

CSS

--color-a4d42b: #A4D42B;
.background-a4d42b { background-color: #A4D42B; }
.text-a4d42b { color: #A4D42B; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.5515
Black text12.03:1AA Pass
White text1.75:1AA 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
Download JSON Open API
Structured sections
Color systems
{"hex":"#A4D42B","rgb":[164,212,43],"hsl":[77,66,50],"cmyk":[23,0,80,17],"luminance":0.5515,"contrast":{"black":12.03,"white":1.75}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":12.03,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.75,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"Green Yellow","hex":"#ADFF2F","family":"green","bestTextColor":"#000000","contrastBlack":17.12,"contrastWhite":1.23,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#B0F00F","hex":"#B0F00F","family":"green","bestTextColor":"#000000","contrastBlack":15.32,"contrastWhite":1.37,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#C5E378","hex":"#C5E378","family":"green","bestTextColor":"#000000","contrastBlack":14.63,"contrastWhite":1.44,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Pear","hex":"#D1E231","family":"yellow","bestTextColor":"#000000","contrastBlack":14.63,"contrastWhite":1.44,"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","balanced","balanced green","Yellow Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a4d42b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/yellow-green.json","https://www.colorsencyclopedia.com/api/colors/peridot.json","https://www.colorsencyclopedia.com/api/colors/acid-green.json"]}
Harmonies
{"complementary":"#5B2BD4","analogous":["#D4AF2B","#50D42B"],"triadic":["#2BA4D4","#D42BA4"],"tetradic":["#2BD4AF","#5B2BD4","#D42B50"],"splitComplementary":["#2B50D4","#AF2BD4"],"monochromatic":["#C5E378","#A4D42B","#69871C"]}
Variants
{"light":"#C5E378","dark":"#69871C","saturated":"#B0F00F","desaturated":"#98B847","pastel":"#CDE09F","neon":"#C2FF29"}
Nearest named colors
[{"slug":"yellow-green","name":"Yellow Green","hex":"#9ACD32","distance":14.071247279470288},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":23.68543856465402},{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":29.563490998188964},{"slug":"green-yellow","name":"Green Yellow","hex":"#ADFF2F","distance":44.11349000022555},{"slug":"pear","name":"Pear","hex":"#D1E231","distance":47.50789408087881}]

HEX meaning and use

About #A4D42B

#A4D42B is classified as a cool green value with balanced visual character. #A4D42B is visually closest to Yellow Green, a named green color with HEX #9ACD32.

The RGB channels are 164, 212, and 43, with green carrying the strongest channel weight. In HSL, the hue is 77deg with 66% saturation and 50% lightness, so this page treats it as a moderate-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 botanical and wellness palettes. Its luminance is 0.5515, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 14.07, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text12.03:1AA Pass
White text1.75:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A4D42B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000012.03:1 · AAA
White text#FFFFFF1.75:1 · Fail

Accessible Alternatives

Green Yellow#000000 text · best 17.12:1#ADFF2F
#B0F00F#000000 text · best 15.32:1#B0F00F
#C5E378#000000 text · best 14.63:1#C5E378
Pear#000000 text · best 14.63:1#D1E231
Yellow Green#000000 text · best 11.15:1#9ACD32

Generated Palette

#A4D42B#A4D42B
#5B2BD4#5B2BD4
#D4AF2B#D4AF2B
#50D42B#50D42B
#C5E378#C5E378
#69871C#69871C

Color Harmonies

#5B2BD4#5B2BD4
#D4AF2B#D4AF2B
#50D42B#50D42B
#2BA4D4#2BA4D4
#D42BA4#D42BA4

Variants

#C5E378#C5E378
#69871C#69871C
#B0F00F#B0F00F
#98B847#98B847
#CDE09F#CDE09F
#C2FF29#C2FF29

Nearest Named Colors