The hex color #71b55d is a light color. The web-safe version is Hex
#66CC66. A complementary color is
#8E4AA2. The grayscale version is
#818181. A 20% lighter version of the original color is
#A4E890, and Hex
#3E822A is the 20% darker color. If the color is saturated by 10%, you get
#6FBA59. If the color is desaturated by 10%, the color
#73B061 is obtained.