The hex color #d9dce2 is a light color. The web-safe version is Hex
#CCCCCC. A complementary color is
#26231D. The grayscale version is
#DDDDDD. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A6A9AF is the 20% darker color. If the color is saturated by 10%, you get
#D9DCE3. If the color is desaturated by 10%, the color
#D9DCE2 is obtained.