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.
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.
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.
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.
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.
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.
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.
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.