HEX atlas value

#F3E520

#F3E520 is a warm yellow HEX color close to Neon Yellow. According to Colors Encyclopedia, it converts to RGB 243, 229, 32, HSL 56, 90%, 54%, has luminance 0.752, and belongs to the vibrant group.

yellow warm vibrant

#F3E520 Sample readable text

HEX #F3E520

RGB rgb(243, 229, 32)

HSL hsl(56 90% 54%)

CMYK cmyk(0, 6, 87, 5)

Luminance 0.752

Contrast Black 16.04:1White 1.31:1

CSS

--color-f3e520: #F3E520;
.background-f3e520 { background-color: #F3E520; }
.text-f3e520 { color: #F3E520; }

Luminance0.752

Black text16.04:1AA Pass

White text1.31:1AA 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":"#F3E520","rgb":[243,229,32],"hsl":[56,90,54],"cmyk":[0,6,87,5],"luminance":0.752,"contrast":{"black":16.04,"white":1.31}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":16.04,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.31,"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":"Neon Yellow","hex":"#FFF01F","family":"yellow","bestTextColor":"#000000","contrastBlack":17.74,"contrastWhite":1.18,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FFEF14","hex":"#FFEF14","family":"yellow","bestTextColor":"#000000","contrastBlack":17.61,"contrastWhite":1.19,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#F8EF77","hex":"#F8EF77","family":"yellow","bestTextColor":"#000000","contrastBlack":17.6,"contrastWhite":1.19,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Golden Yellow","hex":"#FFDF00","family":"yellow","bestTextColor":"#000000","contrastBlack":15.81,"contrastWhite":1.33,"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/f3e520.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":"#202EF3","analogous":["#F37C20","#98F320"],"triadic":["#20F3E5","#E520F3"],"tetradic":["#20F37C","#202EF3","#F32098"],"splitComplementary":["#2098F3","#7C20F3"],"monochromatic":["#F8EF77","#F3E520","#AEA309"]}

Variants

{"light":"#F8EF77","dark":"#AEA309","saturated":"#FFEF14","desaturated":"#D9CF3A","pastel":"#F2ECA1","neon":"#FFF23D"}

Nearest named colors

[{"slug":"neon-yellow","name":"Neon Yellow","hex":"#FFF01F","distance":16.30950643030009},{"slug":"dandelion","name":"Dandelion","hex":"#F0E130","distance":16.76305461424021},{"slug":"daffodil","name":"Daffodil","hex":"#FFFF31","distance":33.301651610693426},{"slug":"citrine","name":"Citrine","hex":"#E4D00A","distance":33.91164991562634},{"slug":"golden-yellow","name":"Golden Yellow","hex":"#FFDF00","distance":34.698703145794944}]

HEX meaning and use

About #F3E520

#F3E520 is classified as a warm yellow value with vibrant visual character. #F3E520 is visually closest to Neon Yellow, a named yellow color with HEX #FFF01F.

The RGB channels are 243, 229, and 32, with red carrying the strongest channel weight. In HSL, the hue is 56deg 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 0.752, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 16.31, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text16.04:1AA Pass

White text1.31:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #F3E520 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000016.04:1 · AAA

White text#FFFFFF1.31:1 · Fail

Accessible Alternatives

Daffodil#000000 text · best 19.6:1#FFFF31

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

#FFEF14#000000 text · best 17.61:1#FFEF14

#F8EF77#000000 text · best 17.6:1#F8EF77

Golden Yellow#000000 text · best 15.81:1#FFDF00

Generated Palette

#F3E520#F3E520

#202EF3#202EF3

#F37C20#F37C20

#98F320#98F320

#F8EF77#F8EF77

#AEA309#AEA309

Color Harmonies

#202EF3#202EF3

#F37C20#F37C20

#98F320#98F320

#20F3E5#20F3E5

#E520F3#E520F3

Variants

#F8EF77#F8EF77

#AEA309#AEA309

#FFEF14#FFEF14

#D9CF3A#D9CF3A

#F2ECA1#F2ECA1

#FFF23D#FFF23D

Nearest Named Colors

Neon Yellow#FFF01F

Dandelion#F0E130

Daffodil#FFFF31

Citrine#E4D00A

Golden Yellow#FFDF00

#F3E520

CSS

Machine-Readable HEX Data (JSON)

About #F3E520

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides