The hex color #d3eff2 is a light color. The web-safe version is Hex
#CCFFFF. A complementary color is
#2C100D. The grayscale version is
#E7E7E7. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A0BCBF is the 20% darker color. If the color is saturated by 10%, you get
#D1F0F3. If the color is desaturated by 10%, the color
#D5EEF1 is obtained.