HEX atlas value

#A4FB41

#A4FB41 is a cool green HEX color close to Green Yellow. According to Colors Encyclopedia, it converts to RGB 164, 251, 65, HSL 88, 96%, 62%, has luminance 0.7727, and belongs to the vibrant group.

green cool vibrant

#A4FB41 Sample readable text

HEX #A4FB41

RGB rgb(164, 251, 65)

HSL hsl(88 96% 62%)

CMYK cmyk(35, 0, 74, 2)

Luminance 0.7727

Contrast Black 16.45:1White 1.28:1

CSS

--color-a4fb41: #A4FB41;
.background-a4fb41 { background-color: #A4FB41; }
.text-a4fb41 { color: #A4FB41; }

Luminance0.7727

Black text16.45:1AA Pass

White text1.28:1AA 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":"#A4FB41","rgb":[164,251,65],"hsl":[88,96,62],"cmyk":[35,0,74,2],"luminance":0.7727,"contrast":{"black":16.45,"white":1.28}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":16.45,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.28,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#FBF541","hex":"#FBF541","family":"yellow","bestTextColor":"#000000","contrastBlack":18.24,"contrastWhite":1.15,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#CFFD9B","hex":"#CFFD9B","family":"green","bestTextColor":"#000000","contrastBlack":18.18,"contrastWhite":1.16,"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":"#A5FF3D","hex":"#A5FF3D","family":"green","bestTextColor":"#000000","contrastBlack":16.97,"contrastWhite":1.24,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#47FB41","hex":"#47FB41","family":"green","bestTextColor":"#000000","contrastBlack":15.14,"contrastWhite":1.39,"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/a4fb41.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/green-yellow.json","https://www.colorsencyclopedia.com/api/colors/yellow-green.json","https://www.colorsencyclopedia.com/api/colors/pear.json"]}

Harmonies

{"complementary":"#9841FB","analogous":["#FBF541","#47FB41"],"triadic":["#41A4FB","#FB41A4"],"tetradic":["#41FBF5","#9841FB","#FB4147"],"splitComplementary":["#4147FB","#F541FB"],"monochromatic":["#CFFD9B","#A4FB41","#77DC04"]}

Variants

{"light":"#CFFD9B","dark":"#77DC04","saturated":"#A5FF3D","desaturated":"#A3E656","pastel":"#E0F9C3","neon":"#B8FF66"}

Nearest named colors

[{"slug":"green-yellow","name":"Green Yellow","hex":"#ADFF2F","distance":20.518284528683193},{"slug":"yellow-green","name":"Yellow Green","hex":"#9ACD32","distance":49.4064773081425},{"slug":"pear","name":"Pear","hex":"#D1E231","distance":53.907327887774215},{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":64.20280367709809},{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":72.56031973468694}]

HEX meaning and use

About #A4FB41

#A4FB41 is classified as a cool green value with vibrant visual character. #A4FB41 is visually closest to Green Yellow, a named green color with HEX #ADFF2F.

The RGB channels are 164, 251, and 65, with green carrying the strongest channel weight. In HSL, the hue is 88deg with 96% saturation and 62% 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 0.7727, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 20.52, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text16.45:1AA Pass

White text1.28:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A4FB41 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000016.45:1 · AAA

White text#FFFFFF1.28:1 · Fail

Accessible Alternatives

#FBF541#000000 text · best 18.24:1#FBF541

#CFFD9B#000000 text · best 18.18:1#CFFD9B

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

#A5FF3D#000000 text · best 16.97:1#A5FF3D

#47FB41#000000 text · best 15.14:1#47FB41

Generated Palette

#A4FB41#A4FB41

#9841FB#9841FB

#FBF541#FBF541

#47FB41#47FB41

#CFFD9B#CFFD9B

#77DC04#77DC04

Color Harmonies

#9841FB#9841FB

#FBF541#FBF541

#47FB41#47FB41

#41A4FB#41A4FB

#FB41A4#FB41A4

Variants

#CFFD9B#CFFD9B

#77DC04#77DC04

#A5FF3D#A5FF3D

#A3E656#A3E656

#E0F9C3#E0F9C3

#B8FF66#B8FF66

Nearest Named Colors

Green Yellow#ADFF2F

Yellow Green#9ACD32

Pear#D1E231

Peridot#B4C424

Acid Green#B0BF1A

#A4FB41

CSS

Machine-Readable HEX Data (JSON)

About #A4FB41

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides