The hex color #42a25c is a dark color. The web-safe version is Hex
#339966. A complementary color is
#BD5DA3. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#75D58F, and Hex
#0F6F29 is the 20% darker color. If the color is saturated by 10%, you get
#3EA85B. If the color is desaturated by 10%, the color
#469C5D is obtained.