The hex color #addf77 is a light color. The web-safe version is Hex
#99CC66. A complementary color is
#522088. The grayscale version is
#ACACAC. A 20% lighter version of the original color is
#E0FFAA, and Hex
#7AAC44 is the 20% darker color. If the color is saturated by 10%, you get
#ADE472. If the color is desaturated by 10%, the color
#ADDA7C is obtained.