The hex color #F9FED3 is a light color. The web-safe version is Hex
#FFFFCC. A complementary color is
#06012C. The grayscale version is
#EEEEEE. A 20% lighter version of the original color is
#FFFFFF, and Hex
#C6CBA0 is the 20% darker color. If the color is saturated by 10%, you get
#FAFFD0. If the color is desaturated by 10%, the color
#F8FCD6 is obtained.