The hex color #d3fdff is a light color. The web-safe version is Hex
#CCFFFF. A complementary color is
#2C0200. The grayscale version is
#F0F0F0. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A0CACC is the 20% darker color. If the color is saturated by 10%, you get
#D0FEFF. If the color is desaturated by 10%, the color
#D6FCFD is obtained.