HEX atlas value

#A18C21

#A18C21 is a warm yellow HEX color close to Dark Goldenrod. According to Colors Encyclopedia, it converts to RGB 161, 140, 33, HSL 50, 66%, 38%, has luminance 0.2644, and belongs to the balanced group.

yellow warm balanced

#A18C21 Sample readable text

HEX #A18C21

RGB rgb(161, 140, 33)

HSL hsl(50 66% 38%)

CMYK cmyk(0, 13, 80, 37)

Luminance 0.2644

Contrast Black 6.29:1White 3.34:1

CSS

--color-a18c21: #A18C21;
.background-a18c21 { background-color: #A18C21; }
.text-a18c21 { color: #A18C21; }

Luminance0.2644

Black text6.29:1AA Pass

White text3.34:1AA 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

Structured sections

Color systems

{"hex":"#A18C21","rgb":[161,140,33],"hsl":[50,66,38],"cmyk":[0,13,80,37],"luminance":0.2644,"contrast":{"black":6.29,"white":3.34}}

WCAG

{"AA":["#000000","#1A1A1A"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":6.29,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.34,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#D9C045","hex":"#D9C045","family":"yellow","bestTextColor":"#000000","contrastBlack":11.58,"contrastWhite":1.81,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#2136A1","hex":"#2136A1","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":2.11,"contrastWhite":9.97,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#554911","hex":"#554911","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":2.35,"contrastWhite":8.94,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"Brushed Brass","hex":"#B5A642","family":"yellow","bestTextColor":"#000000","contrastBlack":8.5,"contrastWhite":2.47,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#B69A0C","hex":"#B69A0C","family":"yellow","bestTextColor":"#000000","contrastBlack":7.62,"contrastWhite":2.76,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]

AI context

{"semanticGroups":["warm yellow","balanced","balanced yellow","Dark Goldenrod adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a18c21.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/dark-goldenrod.json","https://www.colorsencyclopedia.com/api/colors/copper.json","https://www.colorsencyclopedia.com/api/colors/polished-copper.json"]}

Harmonies

{"complementary":"#2136A1","analogous":["#A14C21","#76A121"],"triadic":["#21A18C","#8C21A1"],"tetradic":["#21A14C","#2136A1","#A12176"],"splitComplementary":["#2176A1","#4C21A1"],"monochromatic":["#D9C045","#A18C21","#554911"]}

Variants

{"light":"#D9C045","dark":"#554911","saturated":"#B69A0C","desaturated":"#8C7D36","pastel":"#D1C171","neon":"#EBC400"}

Nearest named colors

[{"slug":"dark-goldenrod","name":"Dark Goldenrod","hex":"#B8860B","distance":32.38826948140329},{"slug":"copper","name":"Copper","hex":"#B87333","distance":38.44476557348217},{"slug":"polished-copper","name":"Polished Copper","hex":"#B87333","distance":38.44476557348217},{"slug":"brass","name":"Brass","hex":"#B5A642","distance":46.52956049652737},{"slug":"brushed-brass","name":"Brushed Brass","hex":"#B5A642","distance":46.52956049652737}]

HEX meaning and use

About #A18C21

#A18C21 is classified as a warm yellow value with balanced visual character. #A18C21 is visually closest to Dark Goldenrod, a named orange color with HEX #B8860B.

The RGB channels are 161, 140, and 33, with red carrying the strongest channel weight. In HSL, the hue is 50deg 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, CSS color tokens, and highlight and warning systems. Its luminance is 0.2644, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 32.39, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.29:1AA Pass

White text3.34:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A18C21 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.29:1 · AA

White text#FFFFFF3.34:1 · Fail

Accessible Alternatives

#D9C045#000000 text · best 11.58:1#D9C045

#2136A1#FFFFFF text · best 9.97:1#2136A1

#554911#FFFFFF text · best 8.94:1#554911

Brushed Brass#000000 text · best 8.5:1#B5A642

#B69A0C#000000 text · best 7.62:1#B69A0C

Generated Palette

#A18C21#A18C21

#2136A1#2136A1

#A14C21#A14C21

#76A121#76A121

#D9C045#D9C045

#554911#554911

Color Harmonies

#2136A1#2136A1

#A14C21#A14C21

#76A121#76A121

#21A18C#21A18C

#8C21A1#8C21A1

Variants

#D9C045#D9C045

#554911#554911

#B69A0C#B69A0C

#8C7D36#8C7D36

#D1C171#D1C171

#EBC400#EBC400

Nearest Named Colors

Dark Goldenrod#B8860B

Copper#B87333

Polished Copper#B87333

Brass#B5A642

Brushed Brass#B5A642

#A18C21

CSS

Machine-Readable HEX Data (JSON)

About #A18C21

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides