The hex color #57f15b is a light color. The web-safe version is Hex
#66FF66. A complementary color is
#A80EA4. The grayscale version is
#8C8C8C. A 20% lighter version of the original color is
#8AFF8E, and Hex
#24BE28 is the 20% darker color. If the color is saturated by 10%, you get
#52FB56. If the color is desaturated by 10%, the color
#5CE760 is obtained.