HEX atlas value

#FBF42D

#FBF42D is a warm yellow HEX color close to Daffodil. According to Colors Encyclopedia, it converts to RGB 251, 244, 45, HSL 58, 96%, 58%, has luminance 0.854, and belongs to the vibrant group.

#FBF42D Sample readable text
HEX #FBF42D
RGB rgb(251, 244, 45)
HSL hsl(58 96% 58%)
CMYK cmyk(0, 3, 82, 2)
Luminance 0.854
Contrast Black 18.08:1White 1.16:1

CSS

--color-fbf42d: #FBF42D;
.background-fbf42d { background-color: #FBF42D; }
.text-fbf42d { color: #FBF42D; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.854
Black text18.08:1AA Pass
White text1.16:1AA 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
Download JSON Open API
Structured sections
Color systems
{"hex":"#FBF42D","rgb":[251,244,45],"hsl":[58,96,58],"cmyk":[0,3,82,2],"luminance":0.854,"contrast":{"black":18.08,"white":1.16}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A","#36454F"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":18.08,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.16,"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":"#FDF987","hex":"#FDF987","family":"yellow","bestTextColor":"#000000","contrastBlack":19.08,"contrastWhite":1.1,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FFF829","hex":"#FFF829","family":"yellow","bestTextColor":"#000000","contrastBlack":18.71,"contrastWhite":1.12,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Lemon","hex":"#FFF700","family":"yellow","bestTextColor":"#000000","contrastBlack":18.56,"contrastWhite":1.13,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Cadmium Yellow","hex":"#FFF600","family":"yellow","bestTextColor":"#000000","contrastBlack":18.43,"contrastWhite":1.14,"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/fbf42d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/daffodil.json","https://www.colorsencyclopedia.com/api/colors/neon-yellow.json","https://www.colorsencyclopedia.com/api/colors/dandelion.json"]}
Harmonies
{"complementary":"#2D34FB","analogous":["#FB8D2D","#9BFB2D"],"triadic":["#2DFBF4","#F42DFB"],"tetradic":["#2DFB8D","#2D34FB","#FB2D9B"],"splitComplementary":["#2D9BFB","#8D2DFB"],"monochromatic":["#FDF987","#FBF42D","#C8C104"]}
Variants
{"light":"#FDF987","dark":"#C8C104","saturated":"#FFF829","desaturated":"#E3DE45","pastel":"#F7F4B1","neon":"#FFF952"}
Nearest named colors
[{"slug":"daffodil","name":"Daffodil","hex":"#FFFF31","distance":12.36931687685298},{"slug":"neon-yellow","name":"Neon Yellow","hex":"#FFF01F","distance":15.0996688705415},{"slug":"dandelion","name":"Dandelion","hex":"#F0E130","distance":22.15851980616034},{"slug":"cadmium-yellow","name":"Cadmium Yellow","hex":"#FFF600","distance":45.221676218380054},{"slug":"lemon","name":"Lemon","hex":"#FFF700","distance":45.27692569068709}]

HEX meaning and use

About #FBF42D

#FBF42D is classified as a warm yellow value with vibrant visual character. #FBF42D is visually closest to Daffodil, a named yellow color with HEX #FFFF31.

The RGB channels are 251, 244, and 45, with red carrying the strongest channel weight. In HSL, the hue is 58deg with 96% saturation and 58% 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 0.854, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 12.37, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text18.08:1AA Pass
White text1.16:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FBF42D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000018.08:1 · AAA
White text#FFFFFF1.16:1 · Fail

Accessible Alternatives

Daffodil#000000 text · best 19.6:1#FFFF31
#FDF987#000000 text · best 19.08:1#FDF987
#FFF829#000000 text · best 18.71:1#FFF829
Lemon#000000 text · best 18.56:1#FFF700
Cadmium Yellow#000000 text · best 18.43:1#FFF600

Generated Palette

#FBF42D#FBF42D
#2D34FB#2D34FB
#FB8D2D#FB8D2D
#9BFB2D#9BFB2D
#FDF987#FDF987
#C8C104#C8C104

Color Harmonies

#2D34FB#2D34FB
#FB8D2D#FB8D2D
#9BFB2D#9BFB2D
#2DFBF4#2DFBF4
#F42DFB#F42DFB

Variants

#FDF987#FDF987
#C8C104#C8C104
#FFF829#FFF829
#E3DE45#E3DE45
#F7F4B1#F7F4B1
#FFF952#FFF952

Nearest Named Colors