HEX atlas value

#A7681B

#A7681B is a warm orange HEX color close to Sienna. According to Colors Encyclopedia, it converts to RGB 167, 104, 27, HSL 33, 72%, 38%, has luminance 0.182, and belongs to the vibrant group.

#A7681B Sample readable text
HEX #A7681B
RGB rgb(167, 104, 27)
HSL hsl(33 72% 38%)
CMYK cmyk(0, 38, 84, 35)
Luminance 0.182
Contrast Black 4.64:1White 4.53:1

CSS

--color-a7681b: #A7681B;
.background-a7681b { background-color: #A7681B; }
.text-a7681b { color: #A7681B; }

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
Luminance0.182
Black text4.64:1AA Pass
White text4.53:1AA Pass
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":"#A7681B","rgb":[167,104,27],"hsl":[33,72,38],"cmyk":[0,38,84,35],"luminance":0.182,"contrast":{"black":4.64,"white":4.53}}
WCAG
{"AA":["#000000","#FFFFFF"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":4.64,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.53,"wcagAA":true,"wcagAAA":false}]
Accessible alternatives
[{"name":"#58370E","hex":"#58370E","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.97,"contrastWhite":10.67,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#E0973E","hex":"#E0973E","family":"orange","bestTextColor":"#000000","contrastBlack":8.67,"contrastWhite":2.42,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#A0A71B","hex":"#A0A71B","family":"yellow","bestTextColor":"#000000","contrastBlack":8.04,"contrastWhite":2.61,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#A7221B","hex":"#A7221B","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.89,"contrastWhite":7.27,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#1B5AA7","hex":"#1B5AA7","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":3.07,"contrastWhite":6.84,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm orange","vibrant","vibrant orange","Sienna adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a7681b.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/sienna.json","https://www.colorsencyclopedia.com/api/colors/copper.json","https://www.colorsencyclopedia.com/api/colors/polished-copper.json"]}
Harmonies
{"complementary":"#1B5AA7","analogous":["#A7221B","#A0A71B"],"triadic":["#1BA768","#681BA7"],"tetradic":["#1BA722","#1B5AA7","#A71BA0"],"splitComplementary":["#1BA0A7","#221BA7"],"monochromatic":["#E0973E","#A7681B","#58370E"]}
Variants
{"light":"#E0973E","dark":"#58370E","saturated":"#BC6A06","desaturated":"#916630","pastel":"#D6A66B","neon":"#EB8100"}
Nearest named colors
[{"slug":"sienna","name":"Sienna","hex":"#A0522D","distance":29.274562336608895},{"slug":"copper","name":"Copper","hex":"#B87333","distance":31.400636936215164},{"slug":"polished-copper","name":"Polished Copper","hex":"#B87333","distance":31.400636936215164},{"slug":"cedar","name":"Cedar","hex":"#8B5A2B","distance":35.156791662493895},{"slug":"dark-goldenrod","name":"Dark Goldenrod","hex":"#B8860B","distance":38.01315561749642}]

HEX meaning and use

About #A7681B

#A7681B is classified as a warm orange value with vibrant visual character. #A7681B is visually closest to Sienna, a named orange color with HEX #A0522D.

The RGB channels are 167, 104, and 27, with red carrying the strongest channel weight. In HSL, the hue is 33deg with 72% saturation and 38% 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 0.182, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 29.27, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.64:1AA Pass
White text4.53:1AA Pass

AA text options: #000000, #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A7681B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.64:1 · AA
White text#FFFFFF4.53:1 · AA

Accessible Alternatives

#58370E#FFFFFF text · best 10.67:1#58370E
#E0973E#000000 text · best 8.67:1#E0973E
#A0A71B#000000 text · best 8.04:1#A0A71B
#A7221B#FFFFFF text · best 7.27:1#A7221B
#1B5AA7#FFFFFF text · best 6.84:1#1B5AA7

Generated Palette

#A7681B#A7681B
#1B5AA7#1B5AA7
#A7221B#A7221B
#A0A71B#A0A71B
#E0973E#E0973E
#58370E#58370E

Color Harmonies

#1B5AA7#1B5AA7
#A7221B#A7221B
#A0A71B#A0A71B
#1BA768#1BA768
#681BA7#681BA7

Variants

#E0973E#E0973E
#58370E#58370E
#BC6A06#BC6A06
#916630#916630
#D6A66B#D6A66B
#EB8100#EB8100

Nearest Named Colors