The hex color #eef5e3 is a light color. The web-safe version is Hex
#FFFFCC. A complementary color is
#110A1C. The grayscale version is
#EDEDED. A 20% lighter version of the original color is
#FFFFFF, and Hex
#BBC2B0 is the 20% darker color. If the color is saturated by 10%, you get
#EEF6E2. If the color is desaturated by 10%, the color
#EEF4E4 is obtained.