HEX atlas value

#9DD813

#9DD813 is a cool green HEX color close to Acid Green. According to Colors Encyclopedia, it converts to RGB 157, 216, 19, HSL 78, 84%, 46%, has luminance 0.5633, and belongs to the vibrant group.

#9DD813 Sample readable text
HEX #9DD813
RGB rgb(157, 216, 19)
HSL hsl(78 84% 46%)
CMYK cmyk(27, 0, 91, 15)
Luminance 0.5633
Contrast Black 12.27:1White 1.71:1

CSS

--color-9dd813: #9DD813;
.background-9dd813 { background-color: #9DD813; }
.text-9dd813 { color: #9DD813; }

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
Luminance0.5633
Black text12.27:1AA Pass
White text1.71:1AA 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":"#9DD813","rgb":[157,216,19],"hsl":[78,84,46],"cmyk":[27,0,91,15],"luminance":0.5633,"contrast":{"black":12.27,"white":1.71}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":12.27,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.71,"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":"#C2F056","hex":"#C2F056","family":"green","bestTextColor":"#000000","contrastBlack":15.89,"contrastWhite":1.32,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Lawn Green","hex":"#7CFC00","family":"green","bestTextColor":"#000000","contrastBlack":15.78,"contrastWhite":1.33,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#A4EB00","hex":"#A4EB00","family":"green","bestTextColor":"#000000","contrastBlack":14.46,"contrastWhite":1.45,"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","vibrant green","Acid Green adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/9dd813.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/acid-green.json","https://www.colorsencyclopedia.com/api/colors/yellow-green.json","https://www.colorsencyclopedia.com/api/colors/peridot.json"]}
Harmonies
{"complementary":"#4E13D8","analogous":["#D8B013","#3AD813"],"triadic":["#139DD8","#D8139D"],"tetradic":["#13D8B0","#4E13D8","#D8133A"],"splitComplementary":["#133AD8","#B013D8"],"monochromatic":["#C2F056","#9DD813","#5F830B"]}
Variants
{"light":"#C2F056","dark":"#5F830B","saturated":"#A4EB00","desaturated":"#92BE2D","pastel":"#C9E882","neon":"#B9FF14"}
Nearest named colors
[{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":32.17141588429082},{"slug":"yellow-green","name":"Yellow Green","hex":"#9ACD32","distance":33.03028912982749},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":34.899856733230294},{"slug":"green-yellow","name":"Green Yellow","hex":"#ADFF2F","distance":50.60632371551998},{"slug":"lawn-green","name":"Lawn Green","hex":"#7CFC00","distance":52.40229002629561}]

HEX meaning and use

About #9DD813

#9DD813 is classified as a cool green value with vibrant visual character. #9DD813 is visually closest to Acid Green, a named yellow color with HEX #B0BF1A.

The RGB channels are 157, 216, and 19, with green carrying the strongest channel weight. In HSL, the hue is 78deg with 84% saturation and 46% 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 high-energy accents. Its luminance is 0.5633, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 32.17, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text12.27:1AA Pass
White text1.71:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #9DD813 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000012.27:1 · AAA
White text#FFFFFF1.71:1 · Fail

Accessible Alternatives

Green Yellow#000000 text · best 17.12:1#ADFF2F
#C2F056#000000 text · best 15.89:1#C2F056
Lawn Green#000000 text · best 15.78:1#7CFC00
#A4EB00#000000 text · best 14.46:1#A4EB00
Yellow Green#000000 text · best 11.15:1#9ACD32

Generated Palette

#9DD813#9DD813
#4E13D8#4E13D8
#D8B013#D8B013
#3AD813#3AD813
#C2F056#C2F056
#5F830B#5F830B

Color Harmonies

#4E13D8#4E13D8
#D8B013#D8B013
#3AD813#3AD813
#139DD8#139DD8
#D8139D#D8139D

Variants

#C2F056#C2F056
#5F830B#5F830B
#A4EB00#A4EB00
#92BE2D#92BE2D
#C9E882#C9E882
#B9FF14#B9FF14

Nearest Named Colors