The hex color #57d96e is a light color. The web-safe version is Hex
#66CC66. A complementary color is
#A82691. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#8AFFA1, and Hex
#24A63B is the 20% darker color. If the color is saturated by 10%, you get
#52E16B. If the color is desaturated by 10%, the color
#5CD171 is obtained.