HEX atlas value

#E9F320

#E9F320 is a warm yellow HEX color close to Neon Yellow. According to Colors Encyclopedia, it converts to RGB 233, 243, 32, HSL 63, 90%, 54%, has luminance 0.8153, and belongs to the vibrant group.

yellow warm vibrant

#E9F320 Sample readable text

HEX #E9F320

RGB rgb(233, 243, 32)

HSL hsl(63 90% 54%)

CMYK cmyk(4, 0, 87, 5)

Luminance 0.8153

Contrast Black 17.31:1White 1.21:1

CSS

--color-e9f320: #E9F320;
.background-e9f320 { background-color: #E9F320; }
.text-e9f320 { color: #E9F320; }

Luminance0.8153

Black text17.31:1AA 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":"#E9F320","rgb":[233,243,32],"hsl":[63,90,54],"cmyk":[4,0,87,5],"luminance":0.8153,"contrast":{"black":17.31,"white":1.21}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":17.31,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.21,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"Daffodil","hex":"#FFFF31","family":"yellow","bestTextColor":"#000000","contrastBlack":19.6,"contrastWhite":1.07,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#F3FF14","hex":"#F3FF14","family":"yellow","bestTextColor":"#000000","contrastBlack":19.13,"contrastWhite":1.1,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Chartreuse Green","hex":"#DFFF00","family":"yellow","bestTextColor":"#000000","contrastBlack":18.44,"contrastWhite":1.14,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#F1F877","hex":"#F1F877","family":"yellow","bestTextColor":"#000000","contrastBlack":18.43,"contrastWhite":1.14,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Neon Yellow","hex":"#FFF01F","family":"yellow","bestTextColor":"#000000","contrastBlack":17.74,"contrastWhite":1.18,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]

AI context

{"semanticGroups":["warm yellow","vibrant","vibrant yellow","Neon Yellow adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/e9f320.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/neon-yellow.json","https://www.colorsencyclopedia.com/api/colors/dandelion.json","https://www.colorsencyclopedia.com/api/colors/daffodil.json"]}

Harmonies

{"complementary":"#2B20F3","analogous":["#F39420","#7FF320"],"triadic":["#20E9F3","#F320E9"],"tetradic":["#20F394","#2B20F3","#F3207F"],"splitComplementary":["#207FF3","#9420F3"],"monochromatic":["#F1F877","#E9F320","#A6AE09"]}

Variants

{"light":"#F1F877","dark":"#A6AE09","saturated":"#F3FF14","desaturated":"#D1D93A","pastel":"#EEF2A1","neon":"#F5FF3D"}

Nearest named colors

[{"slug":"neon-yellow","name":"Neon Yellow","hex":"#FFF01F","distance":22.22611077089287},{"slug":"dandelion","name":"Dandelion","hex":"#F0E130","distance":25.079872407968907},{"slug":"daffodil","name":"Daffodil","hex":"#FFFF31","distance":30.28200785945344},{"slug":"pear","name":"Pear","hex":"#D1E231","distance":33.97057550292606},{"slug":"chartreuse-green","name":"Chartreuse Green","hex":"#DFFF00","distance":35.608987629529715}]

HEX meaning and use

About #E9F320

#E9F320 is classified as a warm yellow value with vibrant visual character. #E9F320 is visually closest to Neon Yellow, a named yellow color with HEX #FFF01F.

The RGB channels are 233, 243, and 32, with green carrying the strongest channel weight. In HSL, the hue is 63deg with 90% 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 0.8153, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 22.23, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text17.31:1AA 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 #E9F320 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000017.31:1 · AAA

White text#FFFFFF1.21:1 · Fail

Accessible Alternatives

Daffodil#000000 text · best 19.6:1#FFFF31

#F3FF14#000000 text · best 19.13:1#F3FF14

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

#F1F877#000000 text · best 18.43:1#F1F877

Neon Yellow#000000 text · best 17.74:1#FFF01F

Generated Palette

#E9F320#E9F320

#2B20F3#2B20F3

#F39420#F39420

#7FF320#7FF320

#F1F877#F1F877

#A6AE09#A6AE09

Color Harmonies

#2B20F3#2B20F3

#F39420#F39420

#7FF320#7FF320

#20E9F3#20E9F3

#F320E9#F320E9

Variants

#F1F877#F1F877

#A6AE09#A6AE09

#F3FF14#F3FF14

#D1D93A#D1D93A

#EEF2A1#EEF2A1

#F5FF3D#F5FF3D

Nearest Named Colors

Neon Yellow#FFF01F

Dandelion#F0E130

Daffodil#FFFF31

Pear#D1E231

Chartreuse Green#DFFF00

#E9F320

CSS

Machine-Readable HEX Data (JSON)

About #E9F320

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides