The hex color #71aa3d is a light color. The web-safe version is Hex
#669933. A complementary color is
#8E55C2. The grayscale version is
#737373. A 20% lighter version of the original color is
#A4DD70, and Hex
#3E770A is the 20% darker color. If the color is saturated by 10%, you get
#71B038. If the color is desaturated by 10%, the color
#71A442 is obtained.