The hex color #45a37c is a light color. The web-safe version is Hex
#339966. A complementary color is
#BA5C83. The grayscale version is
#777777. A 20% lighter version of the original color is
#78D6AF, and Hex
#127049 is the 20% darker color. If the color is saturated by 10%, you get
#40A77D. If the color is desaturated by 10%, the color
#4A9F7B is obtained.