The hex color #e66b08 is a light color. The web-safe version is Hex
#FF6600. A complementary color is
#1994F7. The grayscale version is
#737373. A 20% lighter version of the original color is
#FF9E3B, and Hex
#B33800 is the 20% darker color. If the color is saturated by 10%, you get
#F26A00. If the color is desaturated by 10%, the color
#DB6C13 is obtained.