The hex color #53bca5 is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#AC435A. The grayscale version is
#919191. A 20% lighter version of the original color is
#86EFD8, and Hex
#208972 is the 20% darker color. If the color is saturated by 10%, you get
#4DC0A7. If the color is desaturated by 10%, the color
#59B8A3 is obtained.