HEX atlas value

#A17821

#A17821 is a warm orange HEX color close to Copper. According to Colors Encyclopedia, it converts to RGB 161, 120, 33, HSL 41, 66%, 38%, has luminance 0.2112, and belongs to the balanced group.

#A17821 Sample readable text
HEX #A17821
RGB rgb(161, 120, 33)
HSL hsl(41 66% 38%)
CMYK cmyk(0, 25, 80, 37)
Luminance 0.2112
Contrast Black 5.22:1White 4.02:1

CSS

--color-a17821: #A17821;
.background-a17821 { background-color: #A17821; }
.text-a17821 { color: #A17821; }

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
Luminance0.2112
Black text5.22:1AA Pass
White text4.02:1AA 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":"#A17821","rgb":[161,120,33],"hsl":[41,66,38],"cmyk":[0,25,80,37],"luminance":0.2112,"contrast":{"black":5.22,"white":4.02}}
WCAG
{"AA":["#000000"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":5.22,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.02,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#553F11","hex":"#553F11","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.11,"contrastWhite":9.97,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#D9AA45","hex":"#D9AA45","family":"orange","bestTextColor":"#000000","contrastBlack":9.79,"contrastWhite":2.15,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#2149A1","hex":"#2149A1","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":2.53,"contrastWhite":8.29,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#89A121","hex":"#89A121","family":"green","bestTextColor":"#000000","contrastBlack":7.18,"contrastWhite":2.92,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#A13821","hex":"#A13821","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.1,"contrastWhite":6.77,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm orange","balanced","balanced orange","Copper adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens"],"contrastSafeWith":["#000000"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a17821.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/copper.json","https://www.colorsencyclopedia.com/api/colors/polished-copper.json","https://www.colorsencyclopedia.com/api/colors/dark-goldenrod.json"]}
Harmonies
{"complementary":"#2149A1","analogous":["#A13821","#89A121"],"triadic":["#21A178","#7821A1"],"tetradic":["#21A138","#2149A1","#A12189"],"splitComplementary":["#2189A1","#3821A1"],"monochromatic":["#D9AA45","#A17821","#553F11"]}
Variants
{"light":"#D9AA45","dark":"#553F11","saturated":"#B6800C","desaturated":"#8C7136","pastel":"#D1B271","neon":"#EBA000"}
Nearest named colors
[{"slug":"copper","name":"Copper","hex":"#B87333","distance":29.631064780058107},{"slug":"polished-copper","name":"Polished Copper","hex":"#B87333","distance":29.631064780058107},{"slug":"dark-goldenrod","name":"Dark Goldenrod","hex":"#B8860B","distance":34.77067730142742},{"slug":"cedar","name":"Cedar","hex":"#8B5A2B","distance":38.52272056851645},{"slug":"sienna","name":"Sienna","hex":"#A0522D","distance":39.8622628559895}]

HEX meaning and use

About #A17821

#A17821 is classified as a warm orange value with balanced visual character. #A17821 is visually closest to Copper, a named orange color with HEX #B87333.

The RGB channels are 161, 120, and 33, with red carrying the strongest channel weight. In HSL, the hue is 41deg with 66% saturation and 38% lightness, so this page treats it as a moderate-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, and CSS color tokens. Its luminance is 0.2112, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 29.63, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text5.22:1AA Pass
White text4.02:1AA Fail

AA text options: #000000.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A17821 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000005.22:1 · AA
White text#FFFFFF4.02:1 · Fail

Accessible Alternatives

#553F11#FFFFFF text · best 9.97:1#553F11
#D9AA45#000000 text · best 9.79:1#D9AA45
#2149A1#FFFFFF text · best 8.29:1#2149A1
#89A121#000000 text · best 7.18:1#89A121
#A13821#FFFFFF text · best 6.77:1#A13821

Generated Palette

#A17821#A17821
#2149A1#2149A1
#A13821#A13821
#89A121#89A121
#D9AA45#D9AA45
#553F11#553F11

Color Harmonies

#2149A1#2149A1
#A13821#A13821
#89A121#89A121
#21A178#21A178
#7821A1#7821A1

Variants

#D9AA45#D9AA45
#553F11#553F11
#B6800C#B6800C
#8C7136#8C7136
#D1B271#D1B271
#EBA000#EBA000

Nearest Named Colors