The hex color #d3d3e3 is a light color. The web-safe version is Hex
#CCCCCC. A complementary color is
#2C2C1C. The grayscale version is
#D8D8D8. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A0A0B0 is the 20% darker color. If the color is saturated by 10%, you get
#D2D2E4. If the color is desaturated by 10%, the color
#D4D4E2 is obtained.