The hex color #a7e6e3 is a light color. The web-safe version is Hex
#99FFCC. A complementary color is
#58191C. The grayscale version is
#D0D0D0. A 20% lighter version of the original color is
#DAFFFF, and Hex
#74B3B0 is the 20% darker color. If the color is saturated by 10%, you get
#A3E8E5. If the color is desaturated by 10%, the color
#ABE4E1 is obtained.