The hex color #42a40d is a dark color. The web-safe version is Hex
#339900. A complementary color is
#BD5BF2. The grayscale version is
#515151. A 20% lighter version of the original color is
#75D740, and Hex
#0F7100 is the 20% darker color. If the color is saturated by 10%, you get
#41AC06. If the color is desaturated by 10%, the color
#449C14 is obtained.