The hex color #40e85e is a light color. The web-safe version is Hex
#33FF66. A complementary color is
#BF17A1. The grayscale version is
#828282. A 20% lighter version of the original color is
#73FF91, and Hex
#0DB52B is the 20% darker color. If the color is saturated by 10%, you get
#39F25A. If the color is desaturated by 10%, the color
#47DE62 is obtained.