The hex color #d3dffe is a light color. The web-safe version is Hex
#CCCCFF. A complementary color is
#2C2001. The grayscale version is
#E5E5E5. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A0ACCB is the 20% darker color. If the color is saturated by 10%, you get
#D1DEFF. If the color is desaturated by 10%, the color
#D5E0FC is obtained.