HEX atlas value

#E66605

#E66605 is a warm orange HEX color close to Hazard Orange. According to Colors Encyclopedia, it converts to RGB 230, 102, 5, HSL 26, 96%, 46%, has luminance 0.2634, and belongs to the vibrant group.

#E66605 Sample readable text
HEX #E66605
RGB rgb(230, 102, 5)
HSL hsl(26 96% 46%)
CMYK cmyk(0, 56, 98, 10)
Luminance 0.2634
Contrast Black 6.27:1White 3.35:1

CSS

--color-e66605: #E66605;
.background-e66605 { background-color: #E66605; }
.text-e66605 { color: #E66605; }

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
Luminance0.2634
Black text6.27:1AA Pass
White text3.35:1AA 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":"#E66605","rgb":[230,102,5],"hsl":[26,96,46],"cmyk":[0,56,98,10],"luminance":0.2634,"contrast":{"black":6.27,"white":3.35}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6.27,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.35,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#E6D705","hex":"#E6D705","family":"yellow","bestTextColor":"#000000","contrastBlack":14.09,"contrastWhite":1.49,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FB974B","hex":"#FB974B","family":"orange","bestTextColor":"#000000","contrastBlack":9.63,"contrastWhite":2.18,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Safety Orange","hex":"#FF7900","family":"orange","bestTextColor":"#000000","contrastBlack":7.99,"contrastWhite":2.63,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#8C3E03","hex":"#8C3E03","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.81,"contrastWhite":7.48,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Hazard Orange","hex":"#FF6700","family":"orange","bestTextColor":"#000000","contrastBlack":7.19,"contrastWhite":2.92,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]
AI context
{"semanticGroups":["warm orange","vibrant","vibrant orange","Hazard Orange adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/e66605.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/hazard-orange.json","https://www.colorsencyclopedia.com/api/colors/fire-opal.json","https://www.colorsencyclopedia.com/api/colors/burnt-orange.json"]}
Harmonies
{"complementary":"#0584E6","analogous":["#E60514","#E6D705"],"triadic":["#05E666","#6605E6"],"tetradic":["#14E605","#0584E6","#D705E6"],"splitComplementary":["#05E6D7","#0514E6"],"monochromatic":["#FB974B","#E66605","#8C3E03"]}
Variants
{"light":"#FB974B","dark":"#8C3E03","saturated":"#EB6600","desaturated":"#CC6A1E","pastel":"#F1AD79","neon":"#FF7A14"}
Nearest named colors
[{"slug":"hazard-orange","name":"Hazard Orange","hex":"#FF6700","distance":25.514701644346147},{"slug":"fire-opal","name":"Fire Opal","hex":"#E95C20","distance":28.948229652260256},{"slug":"burnt-orange","name":"Burnt Orange","hex":"#CC5500","distance":31.464265445104548},{"slug":"safety-orange","name":"Safety Orange","hex":"#FF7900","distance":31.796226191169293},{"slug":"chocolate","name":"Chocolate","hex":"#D2691E","distance":32.155870381627054}]

HEX meaning and use

About #E66605

#E66605 is classified as a warm orange value with vibrant visual character. #E66605 is visually closest to Hazard Orange, a named orange color with HEX #FF6700.

The RGB channels are 230, 102, and 5, with red carrying the strongest channel weight. In HSL, the hue is 26deg with 96% saturation and 46% 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 0.2634, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 25.51, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.27:1AA Pass
White text3.35:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E66605 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.27:1 · AA
White text#FFFFFF3.35:1 · Fail

Accessible Alternatives

#E6D705#000000 text · best 14.09:1#E6D705
#FB974B#000000 text · best 9.63:1#FB974B
Safety Orange#000000 text · best 7.99:1#FF7900
#8C3E03#FFFFFF text · best 7.48:1#8C3E03
Hazard Orange#000000 text · best 7.19:1#FF6700

Generated Palette

#E66605#E66605
#0584E6#0584E6
#E60514#E60514
#E6D705#E6D705
#FB974B#FB974B
#8C3E03#8C3E03

Color Harmonies

#0584E6#0584E6
#E60514#E60514
#E6D705#E6D705
#05E666#05E666
#6605E6#6605E6

Variants

#FB974B#FB974B
#8C3E03#8C3E03
#EB6600#EB6600
#CC6A1E#CC6A1E
#F1AD79#F1AD79
#FF7A14#FF7A14

Nearest Named Colors