The hex color #a7ded9 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#582126. The grayscale version is
#CACACA. A 20% lighter version of the original color is
#DAFFFF, and Hex
#74ABA6 is the 20% darker color. If the color is saturated by 10%, you get
#A4E0DB. If the color is desaturated by 10%, the color
#ABDCD8 is obtained.