The hex color #42d22f is a light color. The web-safe version is Hex
#33CC33. A complementary color is
#BD2DD0. The grayscale version is
#6C6C6C. A 20% lighter version of the original color is
#75FF62, and Hex
#0F9F00 is the 20% darker color. If the color is saturated by 10%, you get
#3EDC29. If the color is desaturated by 10%, the color
#46C835 is obtained.