The hex color #f3f3d2 is a light color. The web-safe version is Hex
#FFFFCC. A complementary color is
#0C0C2D. The grayscale version is
#E8E8E8. A 20% lighter version of the original color is
#FFFFFF, and Hex
#C0C09F is the 20% darker color. If the color is saturated by 10%, you get
#F4F4D0. If the color is desaturated by 10%, the color
#F2F2D4 is obtained.