The hex color #a3f8da is a light color. The web-safe version is Hex
#99FFCC. A complementary color is
#5C0725. The grayscale version is
#D2D2D2. A 20% lighter version of the original color is
#D6FFFF, and Hex
#70C5A7 is the 20% darker color. If the color is saturated by 10%, you get
#9EFCDB. If the color is desaturated by 10%, the color
#A8F4D9 is obtained.