The hex color #e55e10 is a dark color. The web-safe version is Hex
#CC6600. A complementary color is
#1AA1EF. The grayscale version is
#717171. A 20% lighter version of the original color is
#FF9143, and Hex
#B22B00 is the 20% darker color. If the color is saturated by 10%, you get
#F15C06. If the color is desaturated by 10%, the color
#D9601A is obtained.