HEX atlas value

#CCFF00

#CCFF00 is a cool green HEX color nearest Electric Lime. RGB 204, 255, 0, HSL 72° 100% 50%, luminance 0.8436; view contrast and conversions.

green cool vibrant

#CCFF00 Sample readable text

HEX #CCFF00

RGB rgb(204, 255, 0)

HSL hsl(72 100% 50%)

CMYK cmyk(20, 0, 100, 0)

Luminance 0.8436

Contrast Black 17.87:1White 1.18:1

CSS

--color-ccff00: #CCFF00;
.background-ccff00 { background-color: #CCFF00; }
.text-ccff00 { color: #CCFF00; }

HEX meaning and use

About #CCFF00

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

The RGB channels are 204, 255, and 0, with green carrying the strongest channel weight. In HSL, the hue is 72deg with 100% saturation and 50% lightness, so this page treats it as a high-saturation, mid-lightness atlas color rather than a generic swatch.

Practical uses for this HEX value include color conversion, WCAG contrast checks, CSS color tokens, and high-energy accents. Its luminance is 0.8436, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text17.87:1AA Pass

White text1.18:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #CCFF00 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000017.87:1 · AAA

White text#FFFFFF1.18:1 · Fail

Accessible Alternatives

Yellow#FFFF00 · #000000 text · best 19.56:1 #DEFF5C#DEFF5C · #000000 text · best 18.56:1 Lemon#FFF700 · #000000 text · best 18.56:1 Chartreuse Green#DFFF00 · #000000 text · best 18.44:1 Cadmium Yellow#FFF600 · #000000 text · best 18.43:1

Generated Palette

Electric Lime#CCFF00

#3300FF#3300FF

#FFB300#FFB300

#4CFF00#4CFF00

#DEFF5C#DEFF5C

#83A300#83A300

Color Harmonies

#3300FF#3300FF

#FFB300#FFB300

#4CFF00#4CFF00

#00CCFF#00CCFF

#FF00CC#FF00CC

Variants

#DEFF5C#DEFF5C

#83A300#83A300

Electric Lime#CCFF00

#BBE31C#BBE31C

#E0F589#E0F589

#D4FF29#D4FF29

Nearest Named Colors

Electric Lime#CCFF00

Chartreuse Green#DFFF00

Yellow#FFFF00

Lemon#FFF700

Cadmium Yellow#FFF600

Luminance0.8436

Black text17.87:1AA Pass

White text1.18:1AA 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":"#CCFF00","rgb":[204,255,0],"hsl":[72,100,50],"cmyk":[20,0,100,0],"luminance":0.8436,"contrast":{"black":17.87,"white":1.18}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":17.87,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.18,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"Yellow","hex":"#FFFF00","family":"yellow","bestTextColor":"#000000","contrastBlack":19.56,"contrastWhite":1.07,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#DEFF5C","hex":"#DEFF5C","family":"green","bestTextColor":"#000000","contrastBlack":18.56,"contrastWhite":1.13,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Lemon","hex":"#FFF700","family":"yellow","bestTextColor":"#000000","contrastBlack":18.56,"contrastWhite":1.13,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Chartreuse Green","hex":"#DFFF00","family":"yellow","bestTextColor":"#000000","contrastBlack":18.44,"contrastWhite":1.14,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Cadmium Yellow","hex":"#FFF600","family":"yellow","bestTextColor":"#000000","contrastBlack":18.43,"contrastWhite":1.14,"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/ccff00.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/yellow.json"]}

Harmonies

{"complementary":"#3300FF","analogous":["#FFB300","#4CFF00"],"triadic":["#00CCFF","#FF00CC"],"tetradic":["#00FFB3","#3300FF","#FF004C"],"splitComplementary":["#004CFF","#B300FF"],"monochromatic":["#DEFF5C","#CCFF00","#83A300"]}

Variants

{"light":"#DEFF5C","dark":"#83A300","saturated":"#CCFF00","desaturated":"#BBE31C","pastel":"#E0F589","neon":"#D4FF29"}

Nearest named colors

[{"slug":"electric-lime","name":"Electric Lime","hex":"#CCFF00","distance":0},{"slug":"chartreuse-green","name":"Chartreuse Green","hex":"#DFFF00","distance":19},{"slug":"yellow","name":"Yellow","hex":"#FFFF00","distance":51},{"slug":"lemon","name":"Lemon","hex":"#FFF700","distance":51.62363799656123},{"slug":"cadmium-yellow","name":"Cadmium Yellow","hex":"#FFF600","distance":51.78802950489621}]

#CCFF00

CSS

About #CCFF00

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Machine-Readable HEX Data (JSON)

Related HEX Guides