The hex color #e5e6f3 is a light color. The web-safe version is Hex
#CCFFFF. A complementary color is
#1A190C. The grayscale version is
#EAEAEA. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B2B3C0 is the 20% darker color. If the color is saturated by 10%, you get
#E5E6F4. If the color is desaturated by 10%, the color
#E6E6F2 is obtained.