HEX atlas value

#99F65A

#99F65A is a cool green HEX color close to Green Yellow. According to Colors Encyclopedia, it converts to RGB 153, 246, 90, HSL 96, 90%, 66%, has luminance 0.7342, and belongs to the vibrant group.

green cool vibrant

#99F65A Sample readable text

HEX #99F65A

RGB rgb(153, 246, 90)

HSL hsl(96 90% 66%)

CMYK cmyk(38, 0, 63, 4)

Luminance 0.7342

Contrast Black 15.68:1White 1.34:1

CSS

--color-99f65a: #99F65A;
.background-99f65a { background-color: #99F65A; }
.text-99f65a { color: #99F65A; }

Luminance0.7342

Black text15.68:1AA Pass

White text1.34:1AA 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":"#99F65A","rgb":[153,246,90],"hsl":[96,90,66],"cmyk":[38,0,63,4],"luminance":0.7342,"contrast":{"black":15.68,"white":1.34}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":15.68,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.34,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#CFFBB1","hex":"#CFFBB1","family":"green","bestTextColor":"#000000","contrastBlack":18.09,"contrastWhite":1.16,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#E7F65A","hex":"#E7F65A","family":"yellow","bestTextColor":"#000000","contrastBlack":17.73,"contrastWhite":1.18,"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":"#97FF52","hex":"#97FF52","family":"green","bestTextColor":"#000000","contrastBlack":16.74,"contrastWhite":1.25,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Pale Green","hex":"#98FB98","family":"green","bestTextColor":"#000000","contrastBlack":16.59,"contrastWhite":1.27,"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/99f65a.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/green-yellow.json","https://www.colorsencyclopedia.com/api/colors/pistachio.json","https://www.colorsencyclopedia.com/api/colors/light-green.json"]}

Harmonies

{"complementary":"#B85AF6","analogous":["#E7F65A","#5AF66A"],"triadic":["#5A99F6","#F65A99"],"tetradic":["#5AE7F6","#B85AF6","#F66A5A"],"splitComplementary":["#6A5AF6","#F65AE7"],"monochromatic":["#CFFBB1","#99F65A","#64E90C"]}

Variants

{"light":"#CFFBB1","dark":"#64E90C","saturated":"#97FF52","desaturated":"#9DE36D","pastel":"#E5F9D7","neon":"#AFFF7A"}

Nearest named colors

[{"slug":"green-yellow","name":"Green Yellow","hex":"#ADFF2F","distance":48.27007354458868},{"slug":"pistachio","name":"Pistachio","hex":"#93C572","distance":54.89080068645383},{"slug":"light-green","name":"Light Green","hex":"#90EE90","distance":55.326304774492215},{"slug":"yellow-green","name":"Yellow Green","hex":"#9ACD32","distance":57.28874234961002},{"slug":"mint-green","name":"Mint Green","hex":"#98FB98","distance":62.20932405998316}]

HEX meaning and use

About #99F65A

#99F65A is classified as a cool green value with vibrant visual character. #99F65A is visually closest to Green Yellow, a named green color with HEX #ADFF2F.

The RGB channels are 153, 246, and 90, with green carrying the strongest channel weight. In HSL, the hue is 96deg with 90% 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 0.7342, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 48.27, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text15.68:1AA Pass

White text1.34:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #99F65A needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000015.68:1 · AAA

White text#FFFFFF1.34:1 · Fail

Accessible Alternatives

#CFFBB1#000000 text · best 18.09:1#CFFBB1

#E7F65A#000000 text · best 17.73:1#E7F65A

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

#97FF52#000000 text · best 16.74:1#97FF52

Pale Green#000000 text · best 16.59:1#98FB98

Generated Palette

#99F65A#99F65A

#B85AF6#B85AF6

#E7F65A#E7F65A

#5AF66A#5AF66A

#CFFBB1#CFFBB1

#64E90C#64E90C

Color Harmonies

#B85AF6#B85AF6

#E7F65A#E7F65A

#5AF66A#5AF66A

#5A99F6#5A99F6

#F65A99#F65A99

Variants

#CFFBB1#CFFBB1

#64E90C#64E90C

#97FF52#97FF52

#9DE36D#9DE36D

#E5F9D7#E5F9D7

#AFFF7A#AFFF7A

Nearest Named Colors

Green Yellow#ADFF2F

Pistachio#93C572

Light Green#90EE90

Yellow Green#9ACD32

Mint Green#98FB98

#99F65A

CSS

Machine-Readable HEX Data (JSON)

About #99F65A

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides