HEX atlas value

#AB8B2B

#AB8B2B is a warm yellow HEX color close to Copper. According to Colors Encyclopedia, it converts to RGB 171, 139, 43, HSL 45, 60%, 42%, has luminance 0.273, and belongs to the earth tone group.

#AB8B2B Sample readable text
HEX #AB8B2B
RGB rgb(171, 139, 43)
HSL hsl(45 60% 42%)
CMYK cmyk(0, 19, 75, 33)
Luminance 0.273
Contrast Black 6.46:1White 3.25:1

CSS

--color-ab8b2b: #AB8B2B;
.background-ab8b2b { background-color: #AB8B2B; }
.text-ab8b2b { color: #AB8B2B; }

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
Luminance0.273
Black text6.46:1AA Pass
White text3.25:1AA 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":"#AB8B2B","rgb":[171,139,43],"hsl":[45,60,42],"cmyk":[0,19,75,33],"luminance":0.273,"contrast":{"black":6.46,"white":3.25}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6.46,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.25,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#D6B85C","hex":"#D6B85C","family":"yellow","bestTextColor":"#000000","contrastBlack":10.87,"contrastWhite":1.93,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Brushed Brass","hex":"#B5A642","family":"yellow","bestTextColor":"#000000","contrastBlack":8.5,"contrastWhite":2.47,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#8BAB2B","hex":"#8BAB2B","family":"green","bestTextColor":"#000000","contrastBlack":7.96,"contrastWhite":2.64,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#625018","hex":"#625018","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":2.68,"contrastWhite":7.84,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#2B4BAB","hex":"#2B4BAB","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":2.7,"contrastWhite":7.78,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]}]
AI context
{"semanticGroups":["warm yellow","earth tone","earth tone yellow","Copper adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","natural palettes","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/ab8b2b.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":"#2B4BAB","analogous":["#AB4B2B","#8BAB2B"],"triadic":["#2BAB8B","#8B2BAB"],"tetradic":["#2BAB4B","#2B4BAB","#AB2B8B"],"splitComplementary":["#2B8BAB","#4B2BAB"],"monochromatic":["#D6B85C","#AB8B2B","#625018"]}
Variants
{"light":"#D6B85C","dark":"#625018","saturated":"#C39713","desaturated":"#947F42","pastel":"#D1BE85","neon":"#FFBF00"}
Nearest named colors
[{"slug":"copper","name":"Copper","hex":"#B87333","distance":28.442925306655784},{"slug":"polished-copper","name":"Polished Copper","hex":"#B87333","distance":28.442925306655784},{"slug":"dark-goldenrod","name":"Dark Goldenrod","hex":"#B8860B","distance":34.899856733230294},{"slug":"bronze","name":"Bronze","hex":"#CD7F32","distance":36.72873534441391},{"slug":"brass","name":"Brass","hex":"#B5A642","distance":36.851051545376556}]

HEX meaning and use

About #AB8B2B

#AB8B2B is classified as a warm yellow value with earth tone visual character. #AB8B2B is visually closest to Copper, a named orange color with HEX #B87333.

The RGB channels are 171, 139, and 43, with red carrying the strongest channel weight. In HSL, the hue is 45deg with 60% saturation and 42% 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, CSS color tokens, and natural palettes. Its luminance is 0.273, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 28.44, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.46:1AA Pass
White text3.25:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #AB8B2B needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.46:1 · AA
White text#FFFFFF3.25:1 · Fail

Accessible Alternatives

#D6B85C#000000 text · best 10.87:1#D6B85C
Brushed Brass#000000 text · best 8.5:1#B5A642
#8BAB2B#000000 text · best 7.96:1#8BAB2B
#625018#FFFFFF text · best 7.84:1#625018
#2B4BAB#FFFFFF text · best 7.78:1#2B4BAB

Generated Palette

#AB8B2B#AB8B2B
#2B4BAB#2B4BAB
#AB4B2B#AB4B2B
#8BAB2B#8BAB2B
#D6B85C#D6B85C
#625018#625018

Color Harmonies

#2B4BAB#2B4BAB
#AB4B2B#AB4B2B
#8BAB2B#8BAB2B
#2BAB8B#2BAB8B
#8B2BAB#8B2BAB

Variants

#D6B85C#D6B85C
#625018#625018
#C39713#C39713
#947F42#947F42
#D1BE85#D1BE85
Fluorescent Orange#FFBF00

Nearest Named Colors