HEX atlas value

#A16C21

#A16C21 is a warm orange HEX color close to Sienna. According to Colors Encyclopedia, it converts to RGB 161, 108, 33, HSL 35, 66%, 38%, has luminance 0.1841, and belongs to the balanced group.

orange warm balanced

#A16C21 Sample readable text

HEX #A16C21

RGB rgb(161, 108, 33)

HSL hsl(35 66% 38%)

CMYK cmyk(0, 33, 80, 37)

Luminance 0.1841

Contrast Black 4.68:1White 4.49:1

CSS

--color-a16c21: #A16C21;
.background-a16c21 { background-color: #A16C21; }
.text-a16c21 { color: #A16C21; }

Luminance0.1841

Black text4.68:1AA Pass

White text4.49:1AA 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":"#A16C21","rgb":[161,108,33],"hsl":[35,66,38],"cmyk":[0,33,80,37],"luminance":0.1841,"contrast":{"black":4.68,"white":4.49}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":4.68,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.49,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#553911","hex":"#553911","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":1.98,"contrastWhite":10.61,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#D99B45","hex":"#D99B45","family":"orange","bestTextColor":"#000000","contrastBlack":8.72,"contrastWhite":2.41,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#96A121","hex":"#96A121","family":"yellow","bestTextColor":"#000000","contrastBlack":7.42,"contrastWhite":2.83,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#A12C21","hex":"#A12C21","family":"red","bestTextColor":"#FFFFFF","contrastBlack":2.9,"contrastWhite":7.25,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"#2156A1","hex":"#2156A1","family":"blue","bestTextColor":"#FFFFFF","contrastBlack":2.91,"contrastWhite":7.22,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]}]

AI context

{"semanticGroups":["warm orange","balanced","balanced orange","Sienna adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens"],"contrastSafeWith":["#000000"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/a16c21.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":"#2156A1","analogous":["#A12C21","#96A121"],"triadic":["#21A16C","#6C21A1"],"tetradic":["#21A12C","#2156A1","#A12196"],"splitComplementary":["#2196A1","#2C21A1"],"monochromatic":["#D99B45","#A16C21","#553911"]}

Variants

{"light":"#D99B45","dark":"#553911","saturated":"#B66F0C","desaturated":"#8C6836","pastel":"#D1A971","neon":"#EB8900"}

Nearest named colors

[{"slug":"sienna","name":"Sienna","hex":"#A0522D","distance":28.653097563788805},{"slug":"copper","name":"Copper","hex":"#B87333","distance":30.033314835362415},{"slug":"polished-copper","name":"Polished Copper","hex":"#B87333","distance":30.033314835362415},{"slug":"cedar","name":"Cedar","hex":"#8B5A2B","distance":30.133038346638727},{"slug":"red-clay","name":"Red Clay","hex":"#B45A3C","distance":37.603191353926334}]

HEX meaning and use

About #A16C21

#A16C21 is classified as a warm orange value with balanced visual character. #A16C21 is visually closest to Sienna, a named orange color with HEX #A0522D.

The RGB channels are 161, 108, and 33, with red carrying the strongest channel weight. In HSL, the hue is 35deg 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 0.1841, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 28.65, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.68:1AA Pass

White text4.49:1AA Fail

AA text options: #000000.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #A16C21 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.68:1 · AA

White text#FFFFFF4.49:1 · Fail

Accessible Alternatives

#553911#FFFFFF text · best 10.61:1#553911

#D99B45#000000 text · best 8.72:1#D99B45

#96A121#000000 text · best 7.42:1#96A121

#A12C21#FFFFFF text · best 7.25:1#A12C21

#2156A1#FFFFFF text · best 7.22:1#2156A1

Generated Palette

#A16C21#A16C21

#2156A1#2156A1

#A12C21#A12C21

#96A121#96A121

#D99B45#D99B45

#553911#553911

Color Harmonies

#2156A1#2156A1

#A12C21#A12C21

#96A121#96A121

#21A16C#21A16C

#6C21A1#6C21A1

Variants

#D99B45#D99B45

#553911#553911

#B66F0C#B66F0C

#8C6836#8C6836

#D1A971#D1A971

#EB8900#EB8900

Nearest Named Colors

Sienna#A0522D

Copper#B87333

Polished Copper#B87333

Cedar#8B5A2B

Red Clay#B45A3C

#A16C21

CSS

Machine-Readable HEX Data (JSON)

About #A16C21

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides