HEX atlas value

#F3C13A

#F3C13A is a warm orange HEX color close to Buttercup. According to Colors Encyclopedia, it converts to RGB 243, 193, 58, HSL 44, 89%, 59%, has luminance 0.575, and belongs to the vibrant group.

#F3C13A Sample readable text
HEX #F3C13A
RGB rgb(243, 193, 58)
HSL hsl(44 89% 59%)
CMYK cmyk(0, 21, 76, 5)
Luminance 0.575
Contrast Black 12.5:1White 1.68:1

CSS

--color-f3c13a: #F3C13A;
.background-f3c13a { background-color: #F3C13A; }
.text-f3c13a { color: #F3C13A; }

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
Luminance0.575
Black text12.5:1AA Pass
White text1.68:1AA 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":"#F3C13A","rgb":[243,193,58],"hsl":[44,89,59],"cmyk":[0,21,76,5],"luminance":0.575,"contrast":{"black":12.5,"white":1.68}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":12.5,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.68,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#C8F339","hex":"#C8F339","family":"green","bestTextColor":"#000000","contrastBlack":16.34,"contrastWhite":1.29,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#F9DD90","hex":"#F9DD90","family":"orange","bestTextColor":"#000000","contrastBlack":15.77,"contrastWhite":1.33,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Dandelion","hex":"#F0E130","family":"yellow","bestTextColor":"#000000","contrastBlack":15.52,"contrastWhite":1.35,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FFC72E","hex":"#FFC72E","family":"orange","bestTextColor":"#000000","contrastBlack":13.46,"contrastWhite":1.56,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Saffron","hex":"#F4C430","family":"yellow","bestTextColor":"#000000","contrastBlack":12.79,"contrastWhite":1.64,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]
AI context
{"semanticGroups":["warm orange","vibrant","vibrant orange","Buttercup adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/f3c13a.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/buttercup.json","https://www.colorsencyclopedia.com/api/colors/saffron.json","https://www.colorsencyclopedia.com/api/colors/dandelion.json"]}
Harmonies
{"complementary":"#396BF3","analogous":["#F36539","#C8F339"],"triadic":["#39F3C2","#C239F3"],"tetradic":["#39F365","#396BF3","#F339C8"],"splitComplementary":["#39C8F3","#6539F3"],"monochromatic":["#F9DD90","#F3C13A","#C6940C"]}
Variants
{"light":"#F9DD90","dark":"#C6940C","saturated":"#FFC72E","desaturated":"#DCB750","pastel":"#F4E4B8","neon":"#FFD257"}
Nearest named colors
[{"slug":"buttercup","name":"Buttercup","hex":"#F3C13A","distance":0},{"slug":"saffron","name":"Saffron","hex":"#F4C430","distance":10.488088481701515},{"slug":"dandelion","name":"Dandelion","hex":"#F0E130","distance":33.66006535941367},{"slug":"old-gold","name":"Old Gold","hex":"#CFB53B","distance":37.960505792204614},{"slug":"marigold","name":"Marigold","hex":"#EAA221","distance":40.82891132518721}]

HEX meaning and use

About #F3C13A

#F3C13A is classified as a warm orange value with vibrant visual character. #F3C13A is visually closest to Buttercup, a named orange color with HEX #F3C13A.

The RGB channels are 243, 193, and 58, with red carrying the strongest channel weight. In HSL, the hue is 44deg with 89% saturation and 59% 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 0.575, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text12.5:1AA Pass
White text1.68:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #F3C13A needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000012.5:1 · AAA
White text#FFFFFF1.68:1 · Fail

Accessible Alternatives

#C8F339#000000 text · best 16.34:1#C8F339
#F9DD90#000000 text · best 15.77:1#F9DD90
Dandelion#000000 text · best 15.52:1#F0E130
#FFC72E#000000 text · best 13.46:1#FFC72E
Saffron#000000 text · best 12.79:1#F4C430

Generated Palette

Buttercup#F3C13A
#396BF3#396BF3
#F36539#F36539
#C8F339#C8F339
#F9DD90#F9DD90
#C6940C#C6940C

Color Harmonies

#396BF3#396BF3
#F36539#F36539
#C8F339#C8F339
#39F3C2#39F3C2
#C239F3#C239F3

Variants

#F9DD90#F9DD90
#C6940C#C6940C
#FFC72E#FFC72E
#DCB750#DCB750
#F4E4B8#F4E4B8
#FFD257#FFD257

Nearest Named Colors