HEX atlas value

#E9FB41

#E9FB41 is a warm yellow HEX color close to Daffodil. According to Colors Encyclopedia, it converts to RGB 233, 251, 65, HSL 66, 96%, 62%, has luminance 0.867, and belongs to the vibrant group.

yellow warm vibrant

#E9FB41 Sample readable text

HEX #E9FB41

RGB rgb(233, 251, 65)

HSL hsl(66 96% 62%)

CMYK cmyk(7, 0, 74, 2)

Luminance 0.867

Contrast Black 18.34:1White 1.15:1

CSS

--color-e9fb41: #E9FB41;
.background-e9fb41 { background-color: #E9FB41; }
.text-e9fb41 { color: #E9FB41; }

Luminance0.867

Black text18.34:1AA Pass

White text1.15:1AA 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":"#E9FB41","rgb":[233,251,65],"hsl":[66,96,62],"cmyk":[7,0,74,2],"luminance":0.867,"contrast":{"black":18.34,"white":1.15}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":18.34,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.15,"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":"#F3FD9B","hex":"#F3FD9B","family":"yellow","bestTextColor":"#000000","contrastBlack":19.33,"contrastWhite":1.09,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#ECFF3D","hex":"#ECFF3D","family":"yellow","bestTextColor":"#000000","contrastBlack":18.94,"contrastWhite":1.11,"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"]},{"name":"Maize","hex":"#FBEC5D","family":"yellow","bestTextColor":"#000000","contrastBlack":17.26,"contrastWhite":1.22,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]

AI context

{"semanticGroups":["warm yellow","vibrant","vibrant yellow","Daffodil 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/e9fb41.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/daffodil.json","https://www.colorsencyclopedia.com/api/colors/dandelion.json","https://www.colorsencyclopedia.com/api/colors/maize.json"]}

Harmonies

{"complementary":"#5441FB","analogous":["#FBB141","#8BFB41"],"triadic":["#41E9FB","#FB41E9"],"tetradic":["#41FBB1","#5441FB","#FB418B"],"splitComplementary":["#418BFB","#B141FB"],"monochromatic":["#F3FD9B","#E9FB41","#C6DC04"]}

Variants

{"light":"#F3FD9B","dark":"#C6DC04","saturated":"#ECFF3D","desaturated":"#D7E656","pastel":"#F3F9C3","neon":"#F0FF66"}

Nearest named colors

[{"slug":"daffodil","name":"Daffodil","hex":"#FFFF31","distance":27.49545416973504},{"slug":"dandelion","name":"Dandelion","hex":"#F0E130","distance":31.843366656181317},{"slug":"maize","name":"Maize","hex":"#FBEC5D","distance":36.51027252705737},{"slug":"pear","name":"Pear","hex":"#D1E231","distance":38.17066936798463},{"slug":"neon-yellow","name":"Neon Yellow","hex":"#FFF01F","distance":41.96427051671457}]

HEX meaning and use

About #E9FB41

#E9FB41 is classified as a warm yellow value with vibrant visual character. #E9FB41 is visually closest to Daffodil, a named yellow color with HEX #FFFF31.

The RGB channels are 233, 251, and 65, with green carrying the strongest channel weight. In HSL, the hue is 66deg 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 0.867, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 27.50, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text18.34:1AA Pass

White text1.15:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E9FB41 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000018.34:1 · AAA

White text#FFFFFF1.15:1 · Fail

Accessible Alternatives

Daffodil#000000 text · best 19.6:1#FFFF31

#F3FD9B#000000 text · best 19.33:1#F3FD9B

#ECFF3D#000000 text · best 18.94:1#ECFF3D

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

Maize#000000 text · best 17.26:1#FBEC5D

Generated Palette

#E9FB41#E9FB41

#5441FB#5441FB

#FBB141#FBB141

#8BFB41#8BFB41

#F3FD9B#F3FD9B

#C6DC04#C6DC04

Color Harmonies

#5441FB#5441FB

#FBB141#FBB141

#8BFB41#8BFB41

#41E9FB#41E9FB

#FB41E9#FB41E9

Variants

#F3FD9B#F3FD9B

#C6DC04#C6DC04

#ECFF3D#ECFF3D

#D7E656#D7E656

#F3F9C3#F3F9C3

#F0FF66#F0FF66

Nearest Named Colors

Daffodil#FFFF31

Dandelion#F0E130

Maize#FBEC5D

Pear#D1E231

Neon Yellow#FFF01F

#E9FB41

CSS

Machine-Readable HEX Data (JSON)

About #E9FB41

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides