The hex color #71981f is a dark color. The web-safe version is Hex
#669933. A complementary color is
#8E67E0. The grayscale version is
#636363. A 20% lighter version of the original color is
#A4CB52, and Hex
#3E6500 is the 20% darker color. If the color is saturated by 10%, you get
#729D18. If the color is desaturated by 10%, the color
#709326 is obtained.