The hex color #d3e3d3 is a light color. The web-safe version is Hex
#CCCCCC. A complementary color is
#2C1C2C. The grayscale version is
#D8D8D8. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A0B0A0 is the 20% darker color. If the color is saturated by 10%, you get
#D2E4D2. If the color is desaturated by 10%, the color
#D4E2D4 is obtained.