HEX atlas value

#F9FC55

#F9FC55 is a warm yellow HEX color close to Maize. According to Colors Encyclopedia, it converts to RGB 249, 252, 85, HSL 61, 97%, 66%, has luminance 0.9042, and belongs to the vibrant group.

#F9FC55 Sample readable text
HEX #F9FC55
RGB rgb(249, 252, 85)
HSL hsl(61 97% 66%)
CMYK cmyk(1, 0, 66, 1)
Luminance 0.9042
Contrast Black 19.08:1White 1.1:1

CSS

--color-f9fc55: #F9FC55;
.background-f9fc55 { background-color: #F9FC55; }
.text-f9fc55 { color: #F9FC55; }

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
Luminance0.9042
Black text19.08:1AA Pass
White text1.1:1AA 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":"#F9FC55","rgb":[249,252,85],"hsl":[61,97,66],"cmyk":[1,0,66,1],"luminance":0.9042,"contrast":{"black":19.08,"white":1.1}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A","#36454F"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":19.08,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.1,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#FCFEAF","hex":"#FCFEAF","family":"yellow","bestTextColor":"#000000","contrastBlack":19.93,"contrastWhite":1.05,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Laser Lemon","hex":"#FFFF66","family":"yellow","bestTextColor":"#000000","contrastBlack":19.75,"contrastWhite":1.06,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Daffodil","hex":"#FFFF31","family":"yellow","bestTextColor":"#000000","contrastBlack":19.6,"contrastWhite":1.07,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FCFF52","hex":"#FCFF52","family":"yellow","bestTextColor":"#000000","contrastBlack":19.56,"contrastWhite":1.07,"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","Maize 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/f9fc55.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/maize.json","https://www.colorsencyclopedia.com/api/colors/laser-lemon.json","https://www.colorsencyclopedia.com/api/colors/mustard.json"]}
Harmonies
{"complementary":"#5754FC","analogous":["#FCAB54","#A5FC54"],"triadic":["#54FAFC","#FC54FA"],"tetradic":["#54FCAB","#5754FC","#FC54A5"],"splitComplementary":["#54A5FC","#AB54FC"],"monochromatic":["#FCFEAF","#F9FC55","#EDF104"]}
Variants
{"light":"#FCFEAF","dark":"#EDF104","saturated":"#FCFF52","desaturated":"#E7E967","pastel":"#FAFBD5","neon":"#FDFF7A"}
Nearest named colors
[{"slug":"maize","name":"Maize","hex":"#FBEC5D","distance":18},{"slug":"laser-lemon","name":"Laser Lemon","hex":"#FFFF66","distance":18.275666882497067},{"slug":"mustard","name":"Mustard","hex":"#FFDB58","distance":33.67491648096547},{"slug":"naples-yellow","name":"Naples Yellow","hex":"#FADA5E","distance":35.185224171518364},{"slug":"daffodil","name":"Daffodil","hex":"#FFFF31","distance":36.61966684720111}]

HEX meaning and use

About #F9FC55

#F9FC55 is classified as a warm yellow value with vibrant visual character. #F9FC55 is visually closest to Maize, a named yellow color with HEX #FBEC5D.

The RGB channels are 249, 252, and 85, with green carrying the strongest channel weight. In HSL, the hue is 61deg 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 0.9042, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 18.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text19.08:1AA Pass
White text1.1:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #F9FC55 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000019.08:1 · AAA
White text#FFFFFF1.1:1 · Fail

Accessible Alternatives

#FCFEAF#000000 text · best 19.93:1#FCFEAF
Laser Lemon#000000 text · best 19.75:1#FFFF66
Daffodil#000000 text · best 19.6:1#FFFF31
#FCFF52#000000 text · best 19.56:1#FCFF52
Maize#000000 text · best 17.26:1#FBEC5D

Generated Palette

#F9FC55#F9FC55
#5754FC#5754FC
#FCAB54#FCAB54
#A5FC54#A5FC54
#FCFEAF#FCFEAF
#EDF104#EDF104

Color Harmonies

#5754FC#5754FC
#FCAB54#FCAB54
#A5FC54#A5FC54
#54FAFC#54FAFC
#FC54FA#FC54FA

Variants

#FCFEAF#FCFEAF
#EDF104#EDF104
#FCFF52#FCFF52
#E7E967#E7E967
#FAFBD5#FAFBD5
#FDFF7A#FDFF7A

Nearest Named Colors