HEX atlas value

#EF864D

#EF864D is a warm orange HEX color close to Coral. According to Colors Encyclopedia, it converts to RGB 239, 134, 77, HSL 21, 84%, 62%, has luminance 0.3594, and belongs to the vibrant group.

#EF864D Sample readable text
HEX #EF864D
RGB rgb(239, 134, 77)
HSL hsl(21 84% 62%)
CMYK cmyk(0, 44, 68, 6)
Luminance 0.3594
Contrast Black 8.19:1White 2.56:1

CSS

--color-ef864d: #EF864D;
.background-ef864d { background-color: #EF864D; }
.text-ef864d { color: #EF864D; }

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
Luminance0.3594
Black text8.19:1AA Pass
White text2.56:1AA 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":"#EF864D","rgb":[239,134,77],"hsl":[21,84,62],"cmyk":[0,44,68,6],"luminance":0.3594,"contrast":{"black":8.19,"white":2.56}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":["#000000"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":8.19,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.56,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#EFD74D","hex":"#EFD74D","family":"yellow","bestTextColor":"#000000","contrastBlack":14.5,"contrastWhite":1.45,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#F7BFA1","hex":"#F7BFA1","family":"orange","bestTextColor":"#000000","contrastBlack":12.92,"contrastWhite":1.63,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#4DB7EF","hex":"#4DB7EF","family":"blue","bestTextColor":"#000000","contrastBlack":9.34,"contrastWhite":2.25,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Butterscotch","hex":"#E3963E","family":"orange","bestTextColor":"#000000","contrastBlack":8.7,"contrastWhite":2.41,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FF813D","hex":"#FF813D","family":"orange","bestTextColor":"#000000","contrastBlack":8.46,"contrastWhite":2.48,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]}]
AI context
{"semanticGroups":["warm orange","vibrant","vibrant orange","Coral adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/ef864d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/coral.json","https://www.colorsencyclopedia.com/api/colors/burnt-sienna.json","https://www.colorsencyclopedia.com/api/colors/butterscotch.json"]}
Harmonies
{"complementary":"#4DB7EF","analogous":["#EF4D65","#EFD74D"],"triadic":["#4DEF86","#864DEF"],"tetradic":["#65EF4D","#4DB7EF","#D74DEF"],"splitComplementary":["#4DEFD7","#4D65EF"],"monochromatic":["#F7BFA1","#EF864D","#CE5412"]}
Variants
{"light":"#F7BFA1","dark":"#CE5412","saturated":"#FF813D","desaturated":"#DA8C62","pastel":"#F5D7C7","neon":"#FF9C66"}
Nearest named colors
[{"slug":"coral","name":"Coral","hex":"#FF7F50","distance":17.72004514666935},{"slug":"burnt-sienna","name":"Burnt Sienna","hex":"#E97451","distance":19.390719429665317},{"slug":"butterscotch","name":"Butterscotch","hex":"#E3963E","distance":25},{"slug":"terracotta","name":"Terracotta","hex":"#E2725B","distance":27.65863337187866},{"slug":"raw-sienna","name":"Raw Sienna","hex":"#D68A59","distance":28.0178514522438}]

HEX meaning and use

About #EF864D

#EF864D is classified as a warm orange value with vibrant visual character. #EF864D is visually closest to Coral, a named orange color with HEX #FF7F50.

The RGB channels are 239, 134, and 77, with red carrying the strongest channel weight. In HSL, the hue is 21deg 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 0.3594, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 17.72, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text8.19:1AA Pass
White text2.56:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #EF864D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000008.19:1 · AAA
White text#FFFFFF2.56:1 · Fail

Accessible Alternatives

#EFD74D#000000 text · best 14.5:1#EFD74D
#F7BFA1#000000 text · best 12.92:1#F7BFA1
#4DB7EF#000000 text · best 9.34:1#4DB7EF
Butterscotch#000000 text · best 8.7:1#E3963E
#FF813D#000000 text · best 8.46:1#FF813D

Generated Palette

#EF864D#EF864D
#4DB7EF#4DB7EF
#EF4D65#EF4D65
#EFD74D#EFD74D
#F7BFA1#F7BFA1
#CE5412#CE5412

Color Harmonies

#4DB7EF#4DB7EF
#EF4D65#EF4D65
#EFD74D#EFD74D
#4DEF86#4DEF86
#864DEF#864DEF

Variants

#F7BFA1#F7BFA1
#CE5412#CE5412
#FF813D#FF813D
#DA8C62#DA8C62
#F5D7C7#F5D7C7
#FF9C66#FF9C66

Nearest Named Colors