HEX atlas value

#C4FC55

#C4FC55 is a cool green HEX color close to Green Yellow. According to Colors Encyclopedia, it converts to RGB 196, 252, 85, HSL 80, 97%, 66%, has luminance 0.8201, and belongs to the vibrant group.

green cool vibrant

#C4FC55 Sample readable text

HEX #C4FC55

RGB rgb(196, 252, 85)

HSL hsl(80 97% 66%)

CMYK cmyk(22, 0, 66, 1)

Luminance 0.8201

Contrast Black 17.4:1White 1.21:1

CSS

--color-c4fc55: #C4FC55;
.background-c4fc55 { background-color: #C4FC55; }
.text-c4fc55 { color: #C4FC55; }

Luminance0.8201

Black text17.4:1AA Pass

White text1.21:1AA 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":"#C4FC55","rgb":[196,252,85],"hsl":[80,97,66],"cmyk":[22,0,66,1],"luminance":0.8201,"contrast":{"black":17.4,"white":1.21}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":17.4,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.21,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"Laser Lemon","hex":"#FFFF66","family":"yellow","bestTextColor":"#000000","contrastBlack":19.75,"contrastWhite":1.06,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#E3FEAF","hex":"#E3FEAF","family":"green","bestTextColor":"#000000","contrastBlack":19.06,"contrastWhite":1.1,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#C5FF52","hex":"#C5FF52","family":"green","bestTextColor":"#000000","contrastBlack":17.8,"contrastWhite":1.18,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Maize","hex":"#FBEC5D","family":"yellow","bestTextColor":"#000000","contrastBlack":17.26,"contrastWhite":1.22,"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"]}]

AI context

{"semanticGroups":["cool green","vibrant","vibrant green","Green Yellow 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/c4fc55.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/green-yellow.json","https://www.colorsencyclopedia.com/api/colors/pear.json","https://www.colorsencyclopedia.com/api/colors/straw.json"]}

Harmonies

{"complementary":"#8C54FC","analogous":["#FCE054","#70FC54"],"triadic":["#54C4FC","#FC54C4"],"tetradic":["#54FCE0","#8C54FC","#FC5470"],"splitComplementary":["#5470FC","#E054FC"],"monochromatic":["#E3FEAF","#C4FC55","#A2F104"]}

Variants

{"light":"#E3FEAF","dark":"#A2F104","saturated":"#C5FF52","desaturated":"#BEE967","pastel":"#EEFBD5","neon":"#D3FF7A"}

Nearest named colors

[{"slug":"green-yellow","name":"Green Yellow","hex":"#ADFF2F","distance":44.51965857910413},{"slug":"pear","name":"Pear","hex":"#D1E231","distance":46.2709412050371},{"slug":"straw","name":"Straw","hex":"#E4D96F","distance":54.08326913195984},{"slug":"maize","name":"Maize","hex":"#FBEC5D","distance":57.83597496368502},{"slug":"laser-lemon","name":"Laser Lemon","hex":"#FFFF66","distance":61.47357155721473}]

HEX meaning and use

About #C4FC55

#C4FC55 is classified as a cool green value with vibrant visual character. #C4FC55 is visually closest to Green Yellow, a named green color with HEX #ADFF2F.

The RGB channels are 196, 252, and 85, with green carrying the strongest channel weight. In HSL, the hue is 80deg with 97% saturation and 66% 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 0.8201, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 44.52, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text17.4:1AA Pass

White text1.21:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #C4FC55 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000017.4:1 · AAA

White text#FFFFFF1.21:1 · Fail

Accessible Alternatives

Laser Lemon#000000 text · best 19.75:1#FFFF66

#E3FEAF#000000 text · best 19.06:1#E3FEAF

#C5FF52#000000 text · best 17.8:1#C5FF52

Maize#000000 text · best 17.26:1#FBEC5D

Green Yellow#000000 text · best 17.12:1#ADFF2F

Generated Palette

#C4FC55#C4FC55

#8C54FC#8C54FC

#FCE054#FCE054

#70FC54#70FC54

#E3FEAF#E3FEAF

#A2F104#A2F104

Color Harmonies

#8C54FC#8C54FC

#FCE054#FCE054

#70FC54#70FC54

#54C4FC#54C4FC

#FC54C4#FC54C4

Variants

#E3FEAF#E3FEAF

#A2F104#A2F104

#C5FF52#C5FF52

#BEE967#BEE967

#EEFBD5#EEFBD5

#D3FF7A#D3FF7A

Nearest Named Colors

Green Yellow#ADFF2F

Pear#D1E231

Straw#E4D96F

Maize#FBEC5D

Laser Lemon#FFFF66

#C4FC55

CSS

Machine-Readable HEX Data (JSON)

About #C4FC55

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides