The hex color #a1f3ef is a light color. The web-safe version is Hex
#99FFFF. A complementary color is
#5E0C10. The grayscale version is
#D6D6D6. A 20% lighter version of the original color is
#D4FFFF, and Hex
#6EC0BC is the 20% darker color. If the color is saturated by 10%, you get
#9CF6F1. If the color is desaturated by 10%, the color
#A6F0ED is obtained.