The hex color #57dba8 is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#A82457. The grayscale version is
#9E9E9E. A 20% lighter version of the original color is
#8AFFDB, and Hex
#24A875 is the 20% darker color. If the color is saturated by 10%, you get
#50E1A9. If the color is desaturated by 10%, the color
#5ED5A7 is obtained.