The hex color #39ea1c is a light color. The web-safe version is Hex
#33FF33. A complementary color is
#C615E3. The grayscale version is
#6A6A6A. A 20% lighter version of the original color is
#6CFF4F, and Hex
#06B700 is the 20% darker color. If the color is saturated by 10%, you get
#34F714. If the color is desaturated by 10%, the color
#3EDD24 is obtained.