HEX atlas value

#AFFA19

#AFFA19 is a cool green HEX color close to Green Yellow. According to Colors Encyclopedia, it converts to RGB 175, 250, 25, HSL 80, 96%, 54%, has luminance 0.7756, and belongs to the vibrant group.

green cool vibrant

#AFFA19 Sample readable text

HEX #AFFA19

RGB rgb(175, 250, 25)

HSL hsl(80 96% 54%)

CMYK cmyk(30, 0, 90, 2)

Luminance 0.7756

Contrast Black 16.51:1White 1.27:1

CSS

--color-affa19: #AFFA19;
.background-affa19 { background-color: #AFFA19; }
.text-affa19 { color: #AFFA19; }

Luminance0.7756

Black text16.51:1AA Pass

White text1.27:1AA 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":"#AFFA19","rgb":[175,250,25],"hsl":[80,96,54],"cmyk":[30,0,90,2],"luminance":0.7756,"contrast":{"black":16.51,"white":1.27}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":16.51,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.27,"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":"#CEFC73","hex":"#CEFC73","family":"green","bestTextColor":"#000000","contrastBlack":17.8,"contrastWhite":1.18,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#B1FF14","hex":"#B1FF14","family":"green","bestTextColor":"#000000","contrastBlack":17.18,"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/affa19.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/green-yellow.json","https://www.colorsencyclopedia.com/api/colors/electric-lime.json","https://www.colorsencyclopedia.com/api/colors/pear.json"]}

Harmonies

{"complementary":"#6419FA","analogous":["#FAD519","#3FFA19"],"triadic":["#19AFFA","#FA19AF"],"tetradic":["#19FAD5","#6419FA","#FA193F"],"splitComplementary":["#193FFA","#D519FA"],"monochromatic":["#CEFC73","#AFFA19","#79B404"]}

Variants

{"light":"#CEFC73","dark":"#79B404","saturated":"#B1FF14","desaturated":"#A7E133","pastel":"#D8F59E","neon":"#BEFF3D"}

Nearest named colors

[{"slug":"green-yellow","name":"Green Yellow","hex":"#ADFF2F","distance":22.64950330581225},{"slug":"electric-lime","name":"Electric Lime","hex":"#CCFF00","distance":38.61346915261564},{"slug":"pear","name":"Pear","hex":"#D1E231","distance":48.041648597857254},{"slug":"chartreuse","name":"Chartreuse","hex":"#7FFF00","distance":54.35071296680477},{"slug":"chartreuse-green","name":"Chartreuse Green","hex":"#DFFF00","distance":54.35071296680477}]

HEX meaning and use

About #AFFA19

#AFFA19 is classified as a cool green value with vibrant visual character. #AFFA19 is visually closest to Green Yellow, a named green color with HEX #ADFF2F.

The RGB channels are 175, 250, and 25, with green carrying the strongest channel weight. In HSL, the hue is 80deg with 96% saturation and 54% 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 0.7756, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 22.65, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text16.51:1AA Pass

White text1.27:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #AFFA19 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000016.51:1 · AAA

White text#FFFFFF1.27:1 · Fail

Accessible Alternatives

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

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

#CEFC73#000000 text · best 17.8:1#CEFC73

#B1FF14#000000 text · best 17.18:1#B1FF14

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

Generated Palette

#AFFA19#AFFA19

#6419FA#6419FA

#FAD519#FAD519

#3FFA19#3FFA19

#CEFC73#CEFC73

#79B404#79B404

Color Harmonies

#6419FA#6419FA

#FAD519#FAD519

#3FFA19#3FFA19

#19AFFA#19AFFA

#FA19AF#FA19AF

Variants

#CEFC73#CEFC73

#79B404#79B404

#B1FF14#B1FF14

#A7E133#A7E133

#D8F59E#D8F59E

#BEFF3D#BEFF3D

Nearest Named Colors

Green Yellow#ADFF2F

Electric Lime#CCFF00

Pear#D1E231

Chartreuse#7FFF00

Chartreuse Green#DFFF00

#AFFA19

CSS

Machine-Readable HEX Data (JSON)

About #AFFA19

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides