The hex color #57dba6 is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#A82459. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#8AFFD9, and Hex
#24A873 is the 20% darker color. If the color is saturated by 10%, you get
#50E1A7. If the color is desaturated by 10%, the color
#5ED5A5 is obtained.