The hex color #42a85f is a light color. The web-safe version is Hex
#339966. A complementary color is
#BD57A0. The grayscale version is
#6E6E6E. A 20% lighter version of the original color is
#75DB92, and Hex
#0F752C is the 20% darker color. If the color is saturated by 10%, you get
#3EAE5E. If the color is desaturated by 10%, the color
#46A260 is obtained.