The hex color #d3dce1 is a light color. The web-safe version is Hex
#CCCCCC. A complementary color is
#2C231E. The grayscale version is
#DBDBDB. A 20% lighter version of the original color is
#FFFFFF, and Hex
#A0A9AE is the 20% darker color. If the color is saturated by 10%, you get
#D2DCE2. If the color is desaturated by 10%, the color
#D4DCE0 is obtained.