The hex color #39de0c is a light color. The web-safe version is Hex
#33CC00. A complementary color is
#C621F3. The grayscale version is
#616161. A 20% lighter version of the original color is
#6CFF3F, and Hex
#06AB00 is the 20% darker color. If the color is saturated by 10%, you get
#35EB04. If the color is desaturated by 10%, the color
#3DD215 is obtained.