The hex color #c6f9ed is a light color. The web-safe version is Hex
#CCFFFF. A complementary color is
#390612. The grayscale version is
#E4E4E4. A 20% lighter version of the original color is
#F9FFFF, and Hex
#93C6BA is the 20% darker color. If the color is saturated by 10%, you get
#C3FBEE. If the color is desaturated by 10%, the color
#C9F7EC is obtained.