The hex color #45f73f is a light color. The web-safe version is Hex
#33FF33. A complementary color is
#BA08C0. The grayscale version is
#7E7E7E. A 20% lighter version of the original color is
#78FF72, and Hex
#12C40C is the 20% darker color. If the color is saturated by 10%, you get
#3FFF39. If the color is desaturated by 10%, the color
#4BEB45 is obtained.