The hex color #a9f9ef is a light color. The web-safe version is Hex
#99FFFF. A complementary color is
#560610. The grayscale version is
#DBDBDB. A 20% lighter version of the original color is
#DCFFFF, and Hex
#76C6BC is the 20% darker color. If the color is saturated by 10%, you get
#A4FCF1. If the color is desaturated by 10%, the color
#AEF6ED is obtained.