The hex color #a9e7f7 is a light color. The web-safe version is Hex
#99FFFF. A complementary color is
#561808. The grayscale version is
#D8D8D8. A 20% lighter version of the original color is
#DCFFFF, and Hex
#76B4C4 is the 20% darker color. If the color is saturated by 10%, you get
#A4E9FA. If the color is desaturated by 10%, the color
#AEE5F4 is obtained.