The hex color #57fec2 is a light color. The web-safe version is Hex
#66FFCC. A complementary color is
#A8013D. The grayscale version is
#B2B2B2. A 20% lighter version of the original color is
#8AFFF5, and Hex
#24CB8F is the 20% darker color. If the color is saturated by 10%, you get
#4EFFC4. If the color is desaturated by 10%, the color
#60F6C0 is obtained.