The hex color #e3e1d4 is a light color. The web-safe version is Hex
#CCCCCC. A complementary color is
#1C1E2B. The grayscale version is
#DDDDDD. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B0AEA1 is the 20% darker color. If the color is saturated by 10%, you get
#E4E1D3. If the color is desaturated by 10%, the color
#E2E1D5 is obtained.