HEX atlas value

#F28B0D

#F28B0D is a warm orange HEX color close to Tangerine. According to Colors Encyclopedia, it converts to RGB 242, 139, 13, HSL 33, 90%, 50%, has luminance 0.3737, and belongs to the vibrant group.

#F28B0D Sample readable text
HEX #F28B0D
RGB rgb(242, 139, 13)
HSL hsl(33 90% 50%)
CMYK cmyk(0, 43, 95, 5)
Luminance 0.3737
Contrast Black 8.47:1White 2.48:1

CSS

--color-f28b0d: #F28B0D;
.background-f28b0d { background-color: #F28B0D; }
.text-f28b0d { color: #F28B0D; }

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
Luminance0.3737
Black text8.47:1AA Pass
White text2.48:1AA 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":"#F28B0D","rgb":[242,139,13],"hsl":[33,90,50],"cmyk":[0,43,95,5],"luminance":0.3737,"contrast":{"black":8.47,"white":2.48}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":8.47,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.48,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#E7F20D","hex":"#E7F20D","family":"yellow","bestTextColor":"#000000","contrastBlack":17.1,"contrastWhite":1.23,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#F7B564","hex":"#F7B564","family":"orange","bestTextColor":"#000000","contrastBlack":11.75,"contrastWhite":1.79,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Dark Orange","hex":"#FF8C00","family":"orange","bestTextColor":"#000000","contrastBlack":9,"contrastWhite":2.33,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Construction Orange","hex":"#FF7F00","family":"orange","bestTextColor":"#000000","contrastBlack":8.29,"contrastWhite":2.53,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Tangerine","hex":"#F28500","family":"orange","bestTextColor":"#000000","contrastBlack":8.13,"contrastWhite":2.58,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]
AI context
{"semanticGroups":["warm orange","vibrant","vibrant orange","Tangerine adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/f28b0d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/tangerine.json","https://www.colorsencyclopedia.com/api/colors/dark-orange.json","https://www.colorsencyclopedia.com/api/colors/construction-orange.json"]}
Harmonies
{"complementary":"#0D74F2","analogous":["#F2180D","#E7F20D"],"triadic":["#0DF28B","#8B0DF2"],"tetradic":["#0DF218","#0D74F2","#F20DE7"],"splitComplementary":["#0DE7F2","#180DF2"],"monochromatic":["#F7B564","#F28B0D","#9B5908"]}
Variants
{"light":"#F7B564","dark":"#9B5908","saturated":"#FF8C00","desaturated":"#D68829","pastel":"#EFC48F","neon":"#FF9F29"}
Nearest named colors
[{"slug":"tangerine","name":"Tangerine","hex":"#F28500","distance":14.317821063276353},{"slug":"dark-orange","name":"Dark Orange","hex":"#FF8C00","distance":18.411952639521967},{"slug":"construction-orange","name":"Construction Orange","hex":"#FF7F00","distance":21.95449840010015},{"slug":"safety-orange","name":"Safety Orange","hex":"#FF7900","distance":25.729360660537214},{"slug":"pumpkin","name":"Pumpkin","hex":"#FF7518","distance":27.820855486487112}]

HEX meaning and use

About #F28B0D

#F28B0D is classified as a warm orange value with vibrant visual character. #F28B0D is visually closest to Tangerine, a named orange color with HEX #F28500.

The RGB channels are 242, 139, and 13, with red carrying the strongest channel weight. In HSL, the hue is 33deg with 90% saturation and 50% 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 0.3737, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 14.32, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text8.47:1AA Pass
White text2.48:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #F28B0D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000008.47:1 · AAA
White text#FFFFFF2.48:1 · Fail

Accessible Alternatives

#E7F20D#000000 text · best 17.1:1#E7F20D
#F7B564#000000 text · best 11.75:1#F7B564
Dark Orange#000000 text · best 9:1#FF8C00
Construction Orange#000000 text · best 8.29:1#FF7F00
Tangerine#000000 text · best 8.13:1#F28500

Generated Palette

#F28B0D#F28B0D
#0D74F2#0D74F2
#F2180D#F2180D
#E7F20D#E7F20D
#F7B564#F7B564
#9B5908#9B5908

Color Harmonies

#0D74F2#0D74F2
#F2180D#F2180D
#E7F20D#E7F20D
#0DF28B#0DF28B
#8B0DF2#8B0DF2

Variants

#F7B564#F7B564
#9B5908#9B5908
Dark Orange#FF8C00
#D68829#D68829
#EFC48F#EFC48F
#FF9F29#FF9F29

Nearest Named Colors