Colors Encyclopedia

HEX atlas value

#EF804D

#EF804D is a warm orange HEX color close to Burnt Sienna. According to Colors Encyclopedia, it converts to RGB 239, 128, 77, HSL 19, 84%, 62%, has luminance 0.3432, and belongs to the vibrant group.

orangewarmvibrant
#EF804D Sample readable text
HEX #EF804D
RGB rgb(239, 128, 77)
HSL hsl(19 84% 62%)
CMYK cmyk(0, 46, 68, 6)
Luminance 0.3432
Contrast Black 7.86:1White 2.67:1

CSS

--color-ef804d: #EF804D;
.background-ef804d { background-color: #EF804D; }
.text-ef804d { color: #EF804D; }

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
Luminance0.3432
Black text7.86:1AA 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":"#EF804D","rgb":[239,128,77],"hsl":[19,84,62],"cmyk":[0,46,68,6],"luminance":0.3432,"contrast":{"black":7.86,"white":2.67}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":["#000000"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":7.86,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.67,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#EFD24D","hex":"#EFD24D","family":"yellow","bestTextColor":"#000000","contrastBlack":14,"contrastWhite":1.5,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#F7BCA1","hex":"#F7BCA1","family":"orange","bestTextColor":"#000000","contrastBlack":12.66,"contrastWhite":1.66,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#4DBCEF","hex":"#4DBCEF","family":"blue","bestTextColor":"#000000","contrastBlack":9.76,"contrastWhite":2.15,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Butterscotch","hex":"#E3963E","family":"orange","bestTextColor":"#000000","contrastBlack":8.7,"contrastWhite":2.41,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Coral","hex":"#FF7F50","family":"orange","bestTextColor":"#000000","contrastBlack":8.4,"contrastWhite":2.5,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]
AI context
{"semanticGroups":["warm orange","vibrant","vibrant orange","Burnt Sienna adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/ef804d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/burnt-sienna.json","https://www.colorsencyclopedia.com/api/colors/coral.json","https://www.colorsencyclopedia.com/api/colors/terracotta.json"]}
Harmonies
{"complementary":"#4DBCEF","analogous":["#EF4D6B","#EFD24D"],"triadic":["#4DEF80","#804DEF"],"tetradic":["#6BEF4D","#4DBCEF","#D24DEF"],"splitComplementary":["#4DEFD2","#4D6BEF"],"monochromatic":["#F7BCA1","#EF804D","#CE4E12"]}
Variants
{"light":"#F7BCA1","dark":"#CE4E12","saturated":"#FF7B3D","desaturated":"#DA8862","pastel":"#F5D5C7","neon":"#FF9666"}
Nearest named colors
[{"slug":"burnt-sienna","name":"Burnt Sienna","hex":"#E97451","distance":14},{"slug":"coral","name":"Coral","hex":"#FF7F50","distance":16.30950643030009},{"slug":"terracotta","name":"Terracotta","hex":"#E2725B","distance":23.68543856465402},{"slug":"butterscotch","name":"Butterscotch","hex":"#E3963E","distance":29.206163733020468},{"slug":"raw-sienna","name":"Raw Sienna","hex":"#D68A59","distance":29.478805945967352}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #EF804D

#EF804D is classified as a warm orange value with vibrant visual character. #EF804D is visually closest to Burnt Sienna, a named red color with HEX #E97451.

The RGB channels are 239, 128, and 77, with red carrying the strongest channel weight. In HSL, the hue is 19deg with 84% saturation and 62% 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 0.3432, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 14.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text7.86:1AA Pass
White text2.67:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #EF804D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000007.86:1 · AAA
White text#FFFFFF2.67:1 · Fail

Accessible Alternatives

#EFD24D#000000 text · best 14:1#EFD24D
#F7BCA1#000000 text · best 12.66:1#F7BCA1
#4DBCEF#000000 text · best 9.76:1#4DBCEF
Butterscotch#000000 text · best 8.7:1#E3963E
Coral#000000 text · best 8.4:1#FF7F50

Generated Palette

#EF804D#EF804D
#4DBCEF#4DBCEF
#EF4D6B#EF4D6B
#EFD24D#EFD24D
#F7BCA1#F7BCA1
#CE4E12#CE4E12

Color Harmonies

#4DBCEF#4DBCEF
#EF4D6B#EF4D6B
#EFD24D#EFD24D
#4DEF80#4DEF80
#804DEF#804DEF

Variants

#F7BCA1#F7BCA1
#CE4E12#CE4E12
#FF7B3D#FF7B3D
#DA8862#DA8862
#F5D5C7#F5D5C7
#FF9666#FF9666

Nearest Named Colors

Burnt Sienna#E97451
Coral#FF7F50
Terracotta#E2725B
Butterscotch#E3963E
Raw Sienna#D68A59

Related HEX Guides

Burnt Sienna colorOpen the nearest named color reference for #E97451.Coral colorOpen the nearest named color reference for #FF7F50.Terracotta colorOpen the nearest named color reference for #E2725B.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.#EF804D APIOpen the machine-readable JSON record for this HEX value.