The hex color #42a33a is a dark color. The web-safe version is Hex
#339933. A complementary color is
#BD5CC5. The grayscale version is
#606060. A 20% lighter version of the original color is
#75D66D, and Hex
#0F7007 is the 20% darker color. If the color is saturated by 10%, you get
#3FAA36. If the color is desaturated by 10%, the color
#459C3E is obtained.