HEX atlas value

#C9FA05

#C9FA05 is a cool green HEX color close to Electric Lime. According to Colors Encyclopedia, it converts to RGB 201, 250, 5, HSL 72, 96%, 50%, has luminance 0.808, and belongs to the vibrant group.

#C9FA05 Sample readable text
HEX #C9FA05
RGB rgb(201, 250, 5)
HSL hsl(72 96% 50%)
CMYK cmyk(20, 0, 98, 2)
Luminance 0.808
Contrast Black 17.16:1White 1.22:1

CSS

--color-c9fa05: #C9FA05;
.background-c9fa05 { background-color: #C9FA05; }
.text-c9fa05 { color: #C9FA05; }

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
Luminance0.808
Black text17.16:1AA Pass
White text1.22:1AA 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":"#C9FA05","rgb":[201,250,5],"hsl":[72,96,50],"cmyk":[20,0,98,2],"luminance":0.808,"contrast":{"black":17.16,"white":1.22}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A","#36454F"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":17.16,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.22,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"Chartreuse Green","hex":"#DFFF00","family":"yellow","bestTextColor":"#000000","contrastBlack":18.44,"contrastWhite":1.14,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#DCFC5F","hex":"#DCFC5F","family":"green","bestTextColor":"#000000","contrastBlack":18.13,"contrastWhite":1.16,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Electric Lime","hex":"#CCFF00","family":"green","bestTextColor":"#000000","contrastBlack":17.87,"contrastWhite":1.18,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Green Yellow","hex":"#ADFF2F","family":"green","bestTextColor":"#000000","contrastBlack":17.12,"contrastWhite":1.23,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#4FFA05","hex":"#4FFA05","family":"green","bestTextColor":"#000000","contrastBlack":15.01,"contrastWhite":1.4,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]
AI context
{"semanticGroups":["cool green","vibrant","vibrant green","Electric Lime 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/c9fa05.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/electric-lime.json","https://www.colorsencyclopedia.com/api/colors/chartreuse-green.json","https://www.colorsencyclopedia.com/api/colors/citrine.json"]}
Harmonies
{"complementary":"#3605FA","analogous":["#FAB005","#4FFA05"],"triadic":["#05C9FA","#FA05C9"],"tetradic":["#05FAB0","#3605FA","#FA054F"],"splitComplementary":["#054FFA","#B005FA"],"monochromatic":["#DCFC5F","#C9FA05","#81A003"]}
Variants
{"light":"#DCFC5F","dark":"#81A003","saturated":"#CCFF00","desaturated":"#B8DE21","pastel":"#DEF38C","neon":"#D4FF29"}
Nearest named colors
[{"slug":"electric-lime","name":"Electric Lime","hex":"#CCFF00","distance":7.681145747868608},{"slug":"chartreuse-green","name":"Chartreuse Green","hex":"#DFFF00","distance":23.108440016582687},{"slug":"citrine","name":"Citrine","hex":"#E4D00A","distance":50.17967716117751},{"slug":"green-yellow","name":"Green Yellow","hex":"#ADFF2F","distance":50.724747411889595},{"slug":"pear","name":"Pear","hex":"#D1E231","distance":50.75431016179808}]

HEX meaning and use

About #C9FA05

#C9FA05 is classified as a cool green value with vibrant visual character. #C9FA05 is visually closest to Electric Lime, a named green color with HEX #CCFF00.

The RGB channels are 201, 250, and 5, with green carrying the strongest channel weight. In HSL, the hue is 72deg with 96% saturation and 50% 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 0.808, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 7.68, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text17.16:1AA Pass
White text1.22:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #C9FA05 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000017.16:1 · AAA
White text#FFFFFF1.22:1 · Fail

Accessible Alternatives

Chartreuse Green#000000 text · best 18.44:1#DFFF00
#DCFC5F#000000 text · best 18.13:1#DCFC5F
Electric Lime#000000 text · best 17.87:1#CCFF00
Green Yellow#000000 text · best 17.12:1#ADFF2F
#4FFA05#000000 text · best 15.01:1#4FFA05

Generated Palette

#C9FA05#C9FA05
#3605FA#3605FA
#FAB005#FAB005
#4FFA05#4FFA05
#DCFC5F#DCFC5F
#81A003#81A003

Color Harmonies

#3605FA#3605FA
#FAB005#FAB005
#4FFA05#4FFA05
#05C9FA#05C9FA
#FA05C9#FA05C9

Variants

#DCFC5F#DCFC5F
#81A003#81A003
Electric Lime#CCFF00
#B8DE21#B8DE21
#DEF38C#DEF38C
#D4FF29#D4FF29

Nearest Named Colors