The hex color #e77f11 is a light color. The web-safe version is Hex
#FF6600. A complementary color is
#1880EE. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#FFB244, and Hex
#B44C00 is the 20% darker color. If the color is saturated by 10%, you get
#F27F06. If the color is desaturated by 10%, the color
#DC7F1C is obtained.