The hex color #c5521e is a dark color. The web-safe version is Hex
#CC6633. A complementary color is
#3AADE1. The grayscale version is
#676767. A 20% lighter version of the original color is
#F88551, and Hex
#921F00 is the 20% darker color. If the color is saturated by 10%, you get
#CE5017. If the color is desaturated by 10%, the color
#BC5425 is obtained.