HEX #A0522D / RGB (160, 82, 45)

Burnt sienna

What is Sienna Color?

Sienna (Hex code: A0522D) Thumbnail

Sienna has the hex code #A0522D. The equivalent RGB values are (160, 82, 45), which means it is composed of 56% red, 29% green and 16% blue. The CMYK color codes, used in printers, are C:0 M:49 Y:72 K:37. In the HSV/HSB scale, Sienna has a hue of 19°, 72% saturation and a brightness value of 63%.
Details of other color codes including equivalent web safe and HTML & CSS colors are given in the table below. Also listed are the closest Pantone® (PMS) and RAL colors.

The name of this color comes from the city of Siena where it was produced during the Renaissance period. It is yellowish brown in natural state and is called Raw Sienna. Upon heating, the color changes to darker reddish brown and it is then known as Burnt Sienna. Along with umber and ochre, sienna is one of the oldest colors known to man and has been used in prehistoric cave paintings.

Sienna is a web color and can be used in HTML and CSS code with its name or hex, RGB, CMYK and HSB values.
Other names: Terra Rossa, Terra Gialla and Terra di Siena.

Sienna Color Codes

Hex Code#A0522D
RGB Values(160, 82, 45)
CMYK Values(0%, 49%, 72%, 37%)
HSV/HSB Values(19°, 72%, 63%)
Closest Web Safe#996633
Inverse Color#5FADD2 [Carolina Blue]
Closest Pantone®7586 C
Closest RAL8023 [Orange brown]
Complementary Color#2D7BA0 [Teal Blue]
Sienna Converted to Grayscale Codes
Simple Average#606060
Weighted Average (Most Common)#656565
Weighted Average (Luma)#606060
Weighted Average (Gamma Adjusted)#9F9F9F

Sienna Color Palettes

Complementary color palette of A0522D. Complementary color is 2D7BA0

Complementary Palette

The complement of Sienna is Teal Blue with the hex code #2D7BA0. Complementary colors are those found at the opposite ends of the color wheel. Thus, as per the RGB system, the best contrast to #A0522D color is offered by #2D7BA0. The complementary color palette is easiest to use and work with. Studies have shown that contrasting color palette is the best way to grab a viewer's attention.

Analogous color palette with (A0522D, A08C2D and A02D42)

Analogous Palette

The analogous colors of Sienna (#A0522D) are Metallic Sunburst (#A08C2D) and Big Dip O’ruby (#A02D42). In the RGB color wheel, these two analogous colors occur to the right and left of Sienna with a 30° separation on either side. An analogous color palette is extremely soothing to the eyes and works wonders if your main color is soft or pastel.

Split Complementary color palette with (A0522D, 2DA08C and 2D42A0)

Split-Complementary Palette

As per the RGB color wheel, the split-complementary colors of Sienna (#A0522D) are #2DA08C (Jungle Green) and #2D42A0 (Blue (Pigment)). A split-complementary color palette consists of the main color along with those on either side (30°) of the complementary color. Based on our research, usage of split-complementary palettes is on the rise online, especially in graphics and web sites designs. It may be because it is not as contrasting as the complementary color palette and, hence, results in a combination which is pleasant to the eyes.

Triadic color palette with (A0522D, 2DA052 and 522DA0)

Triadic Palette

Sienna triadic color palette has three colors each of which is separated by 120° in the RGB wheel. Thus, #2DA052 (Sea Green) and #522DA0 (Blue-Magenta Violet) along with #A0522D create a stunning and beautiful triadic palette with the maximum variation in hue and, therefore, offering the best possible contrast when taken together.

Tetradic color palette with (A0522D, 2DA052, 2D7BA0 and A02D7B)

Tetradic Palette

The tetradic palette of Sienna has four colors - #2DA052 (Sea Green), #2D7BA0 (Teal Blue) and #A02D7B (Maximum Red Purple) in addition to the base color (#A0522D). A tetradic color palette is complex and, in most cases, should not be used off-the-shelf. We suggest tweaking the colors slightly to achieve desired results.

Square color palette with (A0522D, 42A02D, 2D7BA0 and 8C2DA0)

Square Palette

Sienna square color palette has #42A02D (Wageningen Green), #2D7BA0 (Teal Blue) and #8C2DA0 (Cadmium Violet). Quite like triadic, the hues in a square palette are at the maximum distance from each other, which is 90°.
Note: For several colors purposes, a square palette may look much better than the tetrad color palette.

Rainbow color

Sienna Color Rainbow Palette

Our Sienna rainbow color palette is based on the RGB model and consists of 7 colors, just like the traditional rainbow. You might not see a lot of variation in color, especially if the chosen color is dark or extremely light. However, this can lead interesting rainbow palettes that are faded, soft, pastel or dull.

Tints, Tones & Shades of Sienna Color


  • Transparent B37557#B37557
  • Transparent BD866C#BD866C
  • Transparent C69781#C69781
  • Transparent D0A996#D0A996
  • Transparent D9BAAB#D9BAAB
  • Transparent E3CBC0#E3CBC0
  • Transparent ECDCD5#ECDCD5
  • Transparent F6EEEA#F6EEEA


  • Transparent 9A5B3E#9A5B3E
  • Transparent 966046#966046
  • Transparent 93644E#93644E
  • Transparent 906957#906957
  • Transparent 8D6E5F#8D6E5F
  • Transparent 8A7267#8A7267
  • Transparent 86776F#86776F
  • Transparent 837B78#837B78


  • Transparent 804224#804224
  • Transparent 703920#703920
  • Transparent 60311B#60311B
  • Transparent 502917#502917
  • Transparent 402112#402112
  • Transparent 30190E#30190E
  • Transparent 201009#201009
  • Transparent 100805#100805

Sienna Color Patterns

  • Transparent

    Sienna Gingham Checks

  • Transparent

    Sienna Vertical Stripes Pattern

  • Transparent

    Sienna Polka Dots Pattern

  • Transparent

    Sienna Honeycomb Pattern

  • Transparent

    Sienna Leaves Pattern

  • Transparent

    Sienna Houndstooth Pattern

  • Transparent

    Sienna Trellis Pattern

  • Transparent

    Sienna Plaid Pattern

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