HEX atlas value

#FDF491

#FDF491 is a warm yellow HEX color close to Pastel Yellow. According to Colors Encyclopedia, it converts to RGB 253, 244, 145, HSL 55, 96%, 78%, has luminance 0.8763, and belongs to the pastel group.

yellow warm pastel

#FDF491 Sample readable text

HEX #FDF491

RGB rgb(253, 244, 145)

HSL hsl(55 96% 78%)

CMYK cmyk(0, 4, 43, 1)

Luminance 0.8763

Contrast Black 18.53:1White 1.13:1

CSS

--color-fdf491: #FDF491;
.background-fdf491 { background-color: #FDF491; }
.text-fdf491 { color: #FDF491; }

Luminance0.8763

Black text18.53:1AA Pass

White text1.13:1AA 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":"#FDF491","rgb":[253,244,145],"hsl":[55,96,78],"cmyk":[0,4,43,1],"luminance":0.8763,"contrast":{"black":18.53,"white":1.13}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":18.53,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.13,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#FFFDEB","hex":"#FFFDEB","family":"yellow","bestTextColor":"#000000","contrastBlack":20.5,"contrastWhite":1.02,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Pastel Yellow","hex":"#FDFD96","family":"yellow","bestTextColor":"#000000","contrastBlack":19.67,"contrastWhite":1.07,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FFF68F","hex":"#FFF68F","family":"yellow","bestTextColor":"#000000","contrastBlack":18.83,"contrastWhite":1.12,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Butter","hex":"#FFF1A8","family":"yellow","bestTextColor":"#000000","contrastBlack":18.4,"contrastWhite":1.14,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#D0FD91","hex":"#D0FD91","family":"green","bestTextColor":"#000000","contrastBlack":18.14,"contrastWhite":1.16,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]

AI context

{"semanticGroups":["warm yellow","pastel","pastel yellow","Pastel Yellow adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","soft UI backgrounds","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/fdf491.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/pastel-yellow.json","https://www.colorsencyclopedia.com/api/colors/khaki.json","https://www.colorsencyclopedia.com/api/colors/butter.json"]}

Harmonies

{"complementary":"#919AFD","analogous":["#FDBE91","#D0FD91"],"triadic":["#91FDF4","#F491FD"],"tetradic":["#91FDBE","#919AFD","#FD91D0"],"splitComplementary":["#91D0FD","#BE91FD"],"monochromatic":["#FFFDEB","#FDF491","#FBEB37"]}

Variants

{"light":"#FFFDEB","dark":"#FBEB37","saturated":"#FFF68F","desaturated":"#F0E99D","pastel":"#FFFFFF","neon":"#FFF9B8"}

Nearest named colors

[{"slug":"pastel-yellow","name":"Pastel Yellow","hex":"#FDFD96","distance":10.295630140987},{"slug":"khaki","name":"Khaki","hex":"#F0E68C","distance":19.748417658131498},{"slug":"butter","name":"Butter","hex":"#FFF1A8","distance":23.280893453645632},{"slug":"pale-goldenrod","name":"Pale Goldenrod","hex":"#EEE8AA","distance":31.52776554086889},{"slug":"vanilla","name":"Vanilla","hex":"#F3E5AB","distance":31.63858403911275}]

HEX meaning and use

About #FDF491

#FDF491 is classified as a warm yellow value with pastel visual character. #FDF491 is visually closest to Pastel Yellow, a named yellow color with HEX #FDFD96.

The RGB channels are 253, 244, and 145, with red carrying the strongest channel weight. In HSL, the hue is 55deg with 96% saturation and 78% lightness, so this page treats it as a high-saturation, light 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 soft UI backgrounds. Its luminance is 0.8763, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 10.30, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text18.53:1AA Pass

White text1.13:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FDF491 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000018.53:1 · AAA

White text#FFFFFF1.13:1 · Fail

Accessible Alternatives

#FFFDEB#000000 text · best 20.5:1#FFFDEB

Pastel Yellow#000000 text · best 19.67:1#FDFD96

#FFF68F#000000 text · best 18.83:1#FFF68F

Butter#000000 text · best 18.4:1#FFF1A8

#D0FD91#000000 text · best 18.14:1#D0FD91

Generated Palette

#FDF491#FDF491

#919AFD#919AFD

#FDBE91#FDBE91

#D0FD91#D0FD91

#FFFDEB#FFFDEB

#FBEB37#FBEB37

Color Harmonies

#919AFD#919AFD

#FDBE91#FDBE91

#D0FD91#D0FD91

#91FDF4#91FDF4

#F491FD#F491FD

Variants

#FFFDEB#FFFDEB

#FBEB37#FBEB37

#FFF68F#FFF68F

#F0E99D#F0E99D

White#FFFFFF

#FFF9B8#FFF9B8

Nearest Named Colors

Pastel Yellow#FDFD96

Khaki#F0E68C

Butter#FFF1A8

Pale Goldenrod#EEE8AA

Vanilla#F3E5AB

#FDF491

CSS

Machine-Readable HEX Data (JSON)

About #FDF491

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides