The hex color #53e2d0 is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#AC1D2F. The grayscale version is
#ACACAC. A 20% lighter version of the original color is
#86FFFF, and Hex
#20AF9D is the 20% darker color. If the color is saturated by 10%, you get
#4AE7D4. If the color is desaturated by 10%, the color
#5CDDCC is obtained.