The hex color #a1e3e2 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#5E1C1D. The grayscale version is
#CDCDCD. A 20% lighter version of the original color is
#D4FFFF, and Hex
#6EB0AF is the 20% darker color. If the color is saturated by 10%, you get
#9DE5E4. If the color is desaturated by 10%, the color
#A5E1E0 is obtained.