The hex color #a7e4ed is a light color. The web-safe version is Hex
#99CCFF. A complementary color is
#581B12. The grayscale version is
#D3D3D3. A 20% lighter version of the original color is
#DAFFFF, and Hex
#74B1BA is the 20% darker color. If the color is saturated by 10%, you get
#A3E6F0. If the color is desaturated by 10%, the color
#ABE2EA is obtained.