The hex color #78631f is a dark color. The web-safe version is Hex
#666633. A complementary color is
#879CE0. The grayscale version is
#535353. A 20% lighter version of the original color is
#AB9652, and Hex
#453000 is the 20% darker color. If the color is saturated by 10%, you get
#7C651A. If the color is desaturated by 10%, the color
#746124 is obtained.