The hex color #57c40f is a light color. The web-safe version is Hex
#66CC00. A complementary color is
#A83BF0. The grayscale version is
#636363. A 20% lighter version of the original color is
#8AF742, and Hex
#249100 is the 20% darker color. If the color is saturated by 10%, you get
#56CE07. If the color is desaturated by 10%, the color
#58BA17 is obtained.