Colors Encyclopedia

HEX atlas value

#FF8C00

#FF8C00 is a warm orange HEX color close to Dark Orange. According to Colors Encyclopedia, it converts to RGB 255, 140, 0, HSL 33, 100%, 50%, has luminance 0.4002, and belongs to the vibrant group.

orangewarmvibrant
#FF8C00 Sample readable text
HEX #FF8C00
RGB rgb(255, 140, 0)
HSL hsl(33 100% 50%)
CMYK cmyk(0, 45, 100, 0)
Luminance 0.4002
Contrast Black 9:1White 2.33:1

CSS

--color-ff8c00: #FF8C00;
.background-ff8c00 { background-color: #FF8C00; }
.text-ff8c00 { color: #FF8C00; }

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
Luminance0.4002
Black text9:1AA Pass
White text2.33:1AA 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":"#FF8C00","rgb":[255,140,0],"hsl":[33,100,50],"cmyk":[0,45,100,0],"luminance":0.4002,"contrast":{"black":9,"white":2.33}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":9,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.33,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#F2FF00","hex":"#F2FF00","family":"yellow","bestTextColor":"#000000","contrastBlack":19.08,"contrastWhite":1.1,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FFB65C","hex":"#FFB65C","family":"orange","bestTextColor":"#000000","contrastBlack":12.1,"contrastWhite":1.74,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Orange","hex":"#FFA500","family":"orange","bestTextColor":"#000000","contrastBlack":10.63,"contrastWhite":1.97,"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":"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","Dark Orange adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/ff8c00.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/dark-orange.json","https://www.colorsencyclopedia.com/api/colors/construction-orange.json","https://www.colorsencyclopedia.com/api/colors/tangerine.json"]}
Harmonies
{"complementary":"#0073FF","analogous":["#FF0D00","#F2FF00"],"triadic":["#00FF8C","#8C00FF"],"tetradic":["#00FF0D","#0073FF","#FF00F2"],"splitComplementary":["#00F2FF","#0D00FF"],"monochromatic":["#FFB65C","#FF8C00","#A35A00"]}
Variants
{"light":"#FFB65C","dark":"#A35A00","saturated":"#FF8C00","desaturated":"#E3891C","pastel":"#F5C589","neon":"#FF9F29"}
Nearest named colors
[{"slug":"dark-orange","name":"Dark Orange","hex":"#FF8C00","distance":0},{"slug":"construction-orange","name":"Construction Orange","hex":"#FF7F00","distance":13},{"slug":"tangerine","name":"Tangerine","hex":"#F28500","distance":14.7648230602334},{"slug":"safety-orange","name":"Safety Orange","hex":"#FF7900","distance":19},{"slug":"orange","name":"Orange","hex":"#FFA500","distance":25}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #FF8C00

#FF8C00 is classified as a warm orange value with vibrant visual character. #FF8C00 is visually closest to Dark Orange, a named orange color with HEX #FF8C00.

The RGB channels are 255, 140, and 0, with red carrying the strongest channel weight. In HSL, the hue is 33deg with 100% 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 0.4002, 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 text9:1AA Pass
White text2.33:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FF8C00 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000009:1 · AAA
White text#FFFFFF2.33:1 · Fail

Accessible Alternatives

#F2FF00#000000 text · best 19.08:1#F2FF00
#FFB65C#000000 text · best 12.1:1#FFB65C
Orange#000000 text · best 10.63:1#FFA500
Construction Orange#000000 text · best 8.29:1#FF7F00
Tangerine#000000 text · best 8.13:1#F28500

Generated Palette

Dark Orange#FF8C00
#0073FF#0073FF
#FF0D00#FF0D00
#F2FF00#F2FF00
#FFB65C#FFB65C
#A35A00#A35A00

Color Harmonies

#0073FF#0073FF
#FF0D00#FF0D00
#F2FF00#F2FF00
#00FF8C#00FF8C
#8C00FF#8C00FF

Variants

#FFB65C#FFB65C
#A35A00#A35A00
Dark Orange#FF8C00
#E3891C#E3891C
#F5C589#F5C589
#FF9F29#FF9F29

Nearest Named Colors

Dark Orange#FF8C00
Construction Orange#FF7F00
Tangerine#F28500
Safety Orange#FF7900
Orange#FFA500

Related HEX Guides

Dark Orange colorOpen the nearest named color reference for #FF8C00.Construction Orange colorOpen the nearest named color reference for #FF7F00.Tangerine colorOpen the nearest named color reference for #F28500.Orange color familyBrowse named orange colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Vibrant colorsFind colors in the vibrant group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#FF8C00 APIOpen the machine-readable JSON record for this HEX value.