The hex color #c1e9ed is a light color. The web-safe version is Hex
#CCFFFF. A complementary color is
#3E1612. The grayscale version is
#DDDDDD. A 20% lighter version of the original color is
#F4FFFF, and Hex
#8EB6BA is the 20% darker color. If the color is saturated by 10%, you get
#BEEAEF. If the color is desaturated by 10%, the color
#C4E8EB is obtained.