HEX atlas value

#F37F20

#F37F20 is a warm orange HEX color close to Cadmium Orange. According to Colors Encyclopedia, it converts to RGB 243, 127, 32, HSL 27, 90%, 54%, has luminance 0.3434, and belongs to the vibrant group.

#F37F20 Sample readable text
HEX #F37F20
RGB rgb(243, 127, 32)
HSL hsl(27 90% 54%)
CMYK cmyk(0, 48, 87, 5)
Luminance 0.3434
Contrast Black 7.87:1White 2.67:1

CSS

--color-f37f20: #F37F20;
.background-f37f20 { background-color: #F37F20; }
.text-f37f20 { color: #F37F20; }

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
Luminance0.3434
Black text7.87:1AA Pass
White text2.67:1AA 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":"#F37F20","rgb":[243,127,32],"hsl":[27,90,54],"cmyk":[0,48,87,5],"luminance":0.3434,"contrast":{"black":7.87,"white":2.67}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":["#000000"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":7.87,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.67,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#F3E920","hex":"#F3E920","family":"yellow","bestTextColor":"#000000","contrastBlack":16.49,"contrastWhite":1.27,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#F8B177","hex":"#F8B177","family":"orange","bestTextColor":"#000000","contrastBlack":11.55,"contrastWhite":1.82,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Construction Orange","hex":"#FF7F00","family":"orange","bestTextColor":"#000000","contrastBlack":8.29,"contrastWhite":2.53,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#FF7E14","hex":"#FF7E14","family":"orange","bestTextColor":"#000000","contrastBlack":8.25,"contrastWhite":2.55,"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","Cadmium Orange adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/f37f20.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/cadmium-orange.json","https://www.colorsencyclopedia.com/api/colors/pumpkin.json","https://www.colorsencyclopedia.com/api/colors/tangerine.json"]}
Harmonies
{"complementary":"#2094F3","analogous":["#F3202B","#F3E920"],"triadic":["#20F37F","#7F20F3"],"tetradic":["#2BF320","#2094F3","#E920F3"],"splitComplementary":["#20F3E9","#202BF3"],"monochromatic":["#F8B177","#F37F20","#AE5409"]}
Variants
{"light":"#F8B177","dark":"#AE5409","saturated":"#FF7E14","desaturated":"#D9823A","pastel":"#F2C5A1","neon":"#FF943D"}
Nearest named colors
[{"slug":"cadmium-orange","name":"Cadmium Orange","hex":"#ED872D","distance":16.401219466856727},{"slug":"pumpkin","name":"Pumpkin","hex":"#FF7518","distance":17.549928774784245},{"slug":"tangerine","name":"Tangerine","hex":"#F28500","distance":32.57299494980466},{"slug":"construction-orange","name":"Construction Orange","hex":"#FF7F00","distance":34.17601498127012},{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":34.19064199455752}]

HEX meaning and use

About #F37F20

#F37F20 is classified as a warm orange value with vibrant visual character. #F37F20 is visually closest to Cadmium Orange, a named orange color with HEX #ED872D.

The RGB channels are 243, 127, and 32, with red carrying the strongest channel weight. In HSL, the hue is 27deg with 90% saturation and 54% 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 0.3434, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 16.40, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text7.87:1AA Pass
White text2.67:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #F37F20 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000007.87:1 · AAA
White text#FFFFFF2.67:1 · Fail

Accessible Alternatives

#F3E920#000000 text · best 16.49:1#F3E920
#F8B177#000000 text · best 11.55:1#F8B177
Construction Orange#000000 text · best 8.29:1#FF7F00
#FF7E14#000000 text · best 8.25:1#FF7E14
Tangerine#000000 text · best 8.13:1#F28500

Generated Palette

#F37F20#F37F20
#2094F3#2094F3
#F3202B#F3202B
#F3E920#F3E920
#F8B177#F8B177
#AE5409#AE5409

Color Harmonies

#2094F3#2094F3
#F3202B#F3202B
#F3E920#F3E920
#20F37F#20F37F
#7F20F3#7F20F3

Variants

#F8B177#F8B177
#AE5409#AE5409
#FF7E14#FF7E14
#D9823A#D9823A
#F2C5A1#F2C5A1
#FF943D#FF943D

Nearest Named Colors