The hex color #3dea3f is a light color. The web-safe version is Hex
#33FF33. A complementary color is
#C215C0. The grayscale version is
#777777. A 20% lighter version of the original color is
#70FF72, and Hex
#0AB70C is the 20% darker color. If the color is saturated by 10%, you get
#37F539. If the color is desaturated by 10%, the color
#43DF45 is obtained.