HEX atlas value

#FCDA55

#FCDA55 is a warm yellow HEX color close to Mustard. According to Colors Encyclopedia, it converts to RGB 252, 218, 85, HSL 48, 97%, 66%, has luminance 0.7149, and belongs to the vibrant group.

yellow warm vibrant

#FCDA55 Sample readable text

HEX #FCDA55

RGB rgb(252, 218, 85)

HSL hsl(48 97% 66%)

CMYK cmyk(0, 13, 66, 1)

Luminance 0.7149

Contrast Black 15.3:1White 1.37:1

CSS

--color-fcda55: #FCDA55;
.background-fcda55 { background-color: #FCDA55; }
.text-fcda55 { color: #FCDA55; }

Luminance0.7149

Black text15.3:1AA Pass

White text1.37:1AA 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":"#FCDA55","rgb":[252,218,85],"hsl":[48,97,66],"cmyk":[0,13,66,1],"luminance":0.7149,"contrast":{"black":15.3,"white":1.37}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":15.3,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.37,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#FEEEAF","hex":"#FEEEAF","family":"yellow","bestTextColor":"#000000","contrastBlack":18.06,"contrastWhite":1.16,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#CAFC54","hex":"#CAFC54","family":"green","bestTextColor":"#000000","contrastBlack":17.56,"contrastWhite":1.2,"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"]},{"name":"#FFDC52","hex":"#FFDC52","family":"yellow","bestTextColor":"#000000","contrastBlack":15.61,"contrastWhite":1.35,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Mustard","hex":"#FFDB58","family":"yellow","bestTextColor":"#000000","contrastBlack":15.53,"contrastWhite":1.35,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]

AI context

{"semanticGroups":["warm yellow","vibrant","vibrant yellow","Mustard 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/fcda55.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/mustard.json","https://www.colorsencyclopedia.com/api/colors/naples-yellow.json","https://www.colorsencyclopedia.com/api/colors/maize.json"]}

Harmonies

{"complementary":"#5476FC","analogous":["#FC8754","#CAFC54"],"triadic":["#54FCDB","#DB54FC"],"tetradic":["#54FC87","#5476FC","#FC54CA"],"splitComplementary":["#54CAFC","#8754FC"],"monochromatic":["#FEEEAF","#FCDA55","#F1C204"]}

Variants

{"light":"#FEEEAF","dark":"#F1C204","saturated":"#FFDC52","desaturated":"#E9CF67","pastel":"#FBF3D5","neon":"#FFE47A"}

Nearest named colors

[{"slug":"mustard","name":"Mustard","hex":"#FFDB58","distance":4.358898943540674},{"slug":"naples-yellow","name":"Naples Yellow","hex":"#FADA5E","distance":9.219544457292887},{"slug":"maize","name":"Maize","hex":"#FBEC5D","distance":19.72308292331602},{"slug":"straw","name":"Straw","hex":"#E4D96F","distance":35.397740040855716},{"slug":"buttercup","name":"Buttercup","hex":"#F3C13A","distance":37.881393849751625}]

HEX meaning and use

About #FCDA55

#FCDA55 is classified as a warm yellow value with vibrant visual character. #FCDA55 is visually closest to Mustard, a named yellow color with HEX #FFDB58.

The RGB channels are 252, 218, and 85, with red carrying the strongest channel weight. In HSL, the hue is 48deg with 97% 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 0.7149, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 4.36, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text15.3:1AA Pass

White text1.37:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FCDA55 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000015.3:1 · AAA

White text#FFFFFF1.37:1 · Fail

Accessible Alternatives

#FEEEAF#000000 text · best 18.06:1#FEEEAF

#CAFC54#000000 text · best 17.56:1#CAFC54

Maize#000000 text · best 17.26:1#FBEC5D

#FFDC52#000000 text · best 15.61:1#FFDC52

Mustard#000000 text · best 15.53:1#FFDB58

Generated Palette

#FCDA55#FCDA55

#5476FC#5476FC

#FC8754#FC8754

#CAFC54#CAFC54

#FEEEAF#FEEEAF

#F1C204#F1C204

Color Harmonies

#5476FC#5476FC

#FC8754#FC8754

#CAFC54#CAFC54

#54FCDB#54FCDB

#DB54FC#DB54FC

Variants

#FEEEAF#FEEEAF

#F1C204#F1C204

#FFDC52#FFDC52

#E9CF67#E9CF67

#FBF3D5#FBF3D5

#FFE47A#FFE47A

Nearest Named Colors

Mustard#FFDB58

Naples Yellow#FADA5E

Maize#FBEC5D

Straw#E4D96F

Buttercup#F3C13A

#FCDA55

CSS

Machine-Readable HEX Data (JSON)

About #FCDA55

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides