The hex color #e3e8d3 is a light color. The web-safe version is Hex
#CCFFCC. A complementary color is
#1C172C. The grayscale version is
#DFDFDF. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B0B5A0 is the 20% darker color. If the color is saturated by 10%, you get
#E3E9D2. If the color is desaturated by 10%, the color
#E3E7D4 is obtained.