The hex color #40ED4B is a light color. The web-safe version is Hex
#33FF33. A complementary color is
#BF12B4. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#73FF7E, and Hex
#0DBA18 is the 20% darker color. If the color is saturated by 10%, you get
#3AF846. If the color is desaturated by 10%, the color
#46E250 is obtained.