The hex color #39d45d is a light color. The web-safe version is Hex
#33CC66. A complementary color is
#C62BA2. The grayscale version is
#797979. A 20% lighter version of the original color is
#6CFF90, and Hex
#06A12A is the 20% darker color. If the color is saturated by 10%, you get
#33DD5A. If the color is desaturated by 10%, the color
#3FCB60 is obtained.