HEX atlas value

#A4FA05

#A4FA05 is a cool green HEX color close to Chartreuse. According to Colors Encyclopedia, it converts to RGB 164, 250, 5, HSL 81, 96%, 50%, has luminance 0.7627, and belongs to the vibrant group.

green cool vibrant

#A4FA05 Sample readable text

HEX #A4FA05

RGB rgb(164, 250, 5)

HSL hsl(81 96% 50%)

CMYK cmyk(34, 0, 98, 2)

Luminance 0.7627

Contrast Black 16.25:1White 1.29:1

CSS

--color-a4fa05: #A4FA05;
.background-a4fa05 { background-color: #A4FA05; }
.text-a4fa05 { color: #A4FA05; }

Luminance0.7627

Black text16.25:1AA Pass

White text1.29:1AA 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":"#A4FA05","rgb":[164,250,5],"hsl":[81,96,50],"cmyk":[34,0,98,2],"luminance":0.7627,"contrast":{"black":16.25,"white":1.29}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":16.25,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.29,"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":"Electric Lime","hex":"#CCFF00","family":"green","bestTextColor":"#000000","contrastBlack":17.87,"contrastWhite":1.18,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#C5FC5F","hex":"#C5FC5F","family":"green","bestTextColor":"#000000","contrastBlack":17.46,"contrastWhite":1.2,"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":"#A6FF00","hex":"#A6FF00","family":"green","bestTextColor":"#000000","contrastBlack":16.93,"contrastWhite":1.24,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]

AI context

{"semanticGroups":["cool green","vibrant","vibrant green","Chartreuse 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/a4fa05.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/chartreuse.json","https://www.colorsencyclopedia.com/api/colors/lawn-green.json","https://www.colorsencyclopedia.com/api/colors/electric-lime.json"]}

Harmonies

{"complementary":"#5B05FA","analogous":["#FAD505","#2AFA05"],"triadic":["#05A4FA","#FA05A4"],"tetradic":["#05FAD5","#5B05FA","#FA052A"],"splitComplementary":["#052AFA","#D505FA"],"monochromatic":["#C5FC5F","#A4FA05","#69A003"]}

Variants

{"light":"#C5FC5F","dark":"#69A003","saturated":"#A6FF00","desaturated":"#9CDE21","pastel":"#CFF38C","neon":"#B4FF29"}

Nearest named colors

[{"slug":"chartreuse","name":"Chartreuse","hex":"#7FFF00","distance":37.66961640367472},{"slug":"lawn-green","name":"Lawn Green","hex":"#7CFC00","distance":40.36087214122113},{"slug":"electric-lime","name":"Electric Lime","hex":"#CCFF00","distance":40.620192023179804},{"slug":"green-yellow","name":"Green Yellow","hex":"#ADFF2F","distance":43.243496620879306},{"slug":"chartreuse-green","name":"Chartreuse Green","hex":"#DFFF00","distance":59.42221806698232}]

HEX meaning and use

About #A4FA05

#A4FA05 is classified as a cool green value with vibrant visual character. #A4FA05 is visually closest to Chartreuse, a named green color with HEX #7FFF00.

The RGB channels are 164, 250, and 5, with green carrying the strongest channel weight. In HSL, the hue is 81deg 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 0.7627, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 37.67, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text16.25:1AA Pass

White text1.29:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A4FA05 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000016.25:1 · AAA

White text#FFFFFF1.29:1 · Fail

Accessible Alternatives

Chartreuse Green#000000 text · best 18.44:1#DFFF00

Electric Lime#000000 text · best 17.87:1#CCFF00

#C5FC5F#000000 text · best 17.46:1#C5FC5F

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

#A6FF00#000000 text · best 16.93:1#A6FF00

Generated Palette

#A4FA05#A4FA05

#5B05FA#5B05FA

#FAD505#FAD505

#2AFA05#2AFA05

#C5FC5F#C5FC5F

#69A003#69A003

Color Harmonies

#5B05FA#5B05FA

#FAD505#FAD505

#2AFA05#2AFA05

#05A4FA#05A4FA

#FA05A4#FA05A4

Variants

#C5FC5F#C5FC5F

#69A003#69A003

#A6FF00#A6FF00

#9CDE21#9CDE21

#CFF38C#CFF38C

#B4FF29#B4FF29

Nearest Named Colors

Chartreuse#7FFF00

Lawn Green#7CFC00

Electric Lime#CCFF00

Green Yellow#ADFF2F

Chartreuse Green#DFFF00

#A4FA05

CSS

Machine-Readable HEX Data (JSON)

About #A4FA05

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides