The hex color #81690c is a dark color. The web-safe version is Hex
#996600. A complementary color is
#7E96F3. The grayscale version is
#525252. A 20% lighter version of the original color is
#B49C3F, and Hex
#4E3600 is the 20% darker color. If the color is saturated by 10%, you get
#866B05. If the color is desaturated by 10%, the color
#7C6713 is obtained.