The hex color #E5E6D9 is a light color. The web-safe version is Hex
#CCFFCC. A complementary color is
#1A1926. The grayscale version is
#E1E1E1. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B2B3A6 is the 20% darker color. If the color is saturated by 10%, you get
#E5E6D8. If the color is desaturated by 10%, the color
#E5E6DA is obtained.