The hex color #778b1f is a dark color. The web-safe version is Hex
#669933. A complementary color is
#8874E0. The grayscale version is
#606060. A 20% lighter version of the original color is
#AABE52, and Hex
#445800 is the 20% darker color. If the color is saturated by 10%, you get
#798F18. If the color is desaturated by 10%, the color
#758726 is obtained.