The hex color #40d08d is a light color. The web-safe version is Hex
#33CC99. A complementary color is
#BF2F72. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#73FFC0, and Hex
#0D9D5A is the 20% darker color. If the color is saturated by 10%, you get
#39D78D. If the color is desaturated by 10%, the color
#47C98D is obtained.