The hex color #a3e7e7 is a light color. The web-safe version is Hex
#99FFFF. A complementary color is
#5C1818. The grayscale version is
#D0D0D0. A 20% lighter version of the original color is
#D6FFFF, and Hex
#70B4B4 is the 20% darker color. If the color is saturated by 10%, you get
#9EE9E9. If the color is desaturated by 10%, the color
#A8E5E5 is obtained.