Sienna has a hex value of #a0522d which gives it an RGB value of (160, 82, 45). That makes it approximately 63% red, 32% green, and 18% blue. On the CYMK color model Sienna is 0 cyan, 72 yellow, 49 magenta, and 37 black. It is also 19° hue, 56% saturation, and 40% lightness on the HSL color model and 19° hue, 72% saturation, and 63% value on the HSV color model. Sienna is not a Pantone color, but it is close to Pantone color 730. Sienna is not a DIC color, but it is close to DIC 2487s. Sienna is not a web safe color, but it is close to #996633.