Colors Encyclopedia

HEX atlas value

#A18721

#A18721 is a warm yellow HEX color close to Dark Goldenrod. According to Colors Encyclopedia, it converts to RGB 161, 135, 33, HSL 48, 66%, 38%, has luminance 0.2501, and belongs to the balanced group.

yellowwarmbalanced
#A18721 Sample readable text
HEX #A18721
RGB rgb(161, 135, 33)
HSL hsl(48 66% 38%)
CMYK cmyk(0, 16, 80, 37)
Luminance 0.2501
Contrast Black 6:1White 3.5:1

CSS

--color-a18721: #A18721;
.background-a18721 { background-color: #A18721; }
.text-a18721 { color: #A18721; }

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
Luminance0.2501
Black text6:1AA Pass
White text3.5:1AA 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":"#A18721","rgb":[161,135,33],"hsl":[48,66,38],"cmyk":[0,16,80,37],"luminance":0.2501,"contrast":{"black":6,"white":3.5}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.5,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#D9BB45","hex":"#D9BB45","family":"yellow","bestTextColor":"#000000","contrastBlack":11.14,"contrastWhite":1.88,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#213BA1","hex":"#213BA1","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":2.2,"contrastWhite":9.53,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#554711","hex":"#554711","family":"yellow","bestTextColor":"#FFFFFF","contrastBlack":2.3,"contrastWhite":9.15,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#B6940C","hex":"#B6940C","family":"yellow","bestTextColor":"#000000","contrastBlack":7.23,"contrastWhite":2.9,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#7AA121","hex":"#7AA121","family":"green","bestTextColor":"#000000","contrastBlack":6.95,"contrastWhite":3.02,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]
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/a18721.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":"#213BA1","analogous":["#A14721","#7AA121"],"triadic":["#21A187","#8721A1"],"tetradic":["#21A147","#213BA1","#A1217A"],"splitComplementary":["#217AA1","#4721A1"],"monochromatic":["#D9BB45","#A18721","#554711"]}
Variants
{"light":"#D9BB45","dark":"#554711","saturated":"#B6940C","desaturated":"#8C7A36","pastel":"#D1BE71","neon":"#EBBC00"}
Nearest named colors
[{"slug":"dark-goldenrod","name":"Dark Goldenrod","hex":"#B8860B","distance":31.843366656181317},{"slug":"copper","name":"Copper","hex":"#B87333","distance":35.397740040855716},{"slug":"polished-copper","name":"Polished Copper","hex":"#B87333","distance":35.397740040855716},{"slug":"ochre","name":"Ochre","hex":"#CC7722","distance":45.89117562233506},{"slug":"olive","name":"Olive","hex":"#808000","distance":47.19110085598767}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #A18721

#A18721 is classified as a warm yellow value with balanced visual character. #A18721 is visually closest to Dark Goldenrod, a named orange color with HEX #B8860B.

The RGB channels are 161, 135, and 33, with red carrying the strongest channel weight. In HSL, the hue is 48deg 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 0.2501, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 31.84, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6:1AA Pass
White text3.5:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A18721 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006:1 · AA
White text#FFFFFF3.5:1 · Fail

Accessible Alternatives

#D9BB45#000000 text · best 11.14:1#D9BB45
#213BA1#FFFFFF text · best 9.53:1#213BA1
#554711#FFFFFF text · best 9.15:1#554711
#B6940C#000000 text · best 7.23:1#B6940C
#7AA121#000000 text · best 6.95:1#7AA121

Generated Palette

#A18721#A18721
#213BA1#213BA1
#A14721#A14721
#7AA121#7AA121
#D9BB45#D9BB45
#554711#554711

Color Harmonies

#213BA1#213BA1
#A14721#A14721
#7AA121#7AA121
#21A187#21A187
#8721A1#8721A1

Variants

#D9BB45#D9BB45
#554711#554711
#B6940C#B6940C
#8C7A36#8C7A36
#D1BE71#D1BE71
#EBBC00#EBBC00

Nearest Named Colors

Dark Goldenrod#B8860B
Copper#B87333
Polished Copper#B87333
Ochre#CC7722
Olive#808000

Related HEX Guides

Dark Goldenrod colorOpen the nearest named color reference for #B8860B.Copper colorOpen the nearest named color reference for #B87333.Polished Copper colorOpen the nearest named color reference for #B87333.Yellow color familyBrowse named yellow colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Balanced colorsFind colors in the balanced group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#A18721 APIOpen the machine-readable JSON record for this HEX value.