The hex color #f3f3e0 is a light color. The web-safe version is Hex
#FFFFCC. A complementary color is
#0C0C1F. The grayscale version is
#EDEDED. A 20% lighter version of the original color is
#FFFFFF, and Hex
#C0C0AD is the 20% darker color. If the color is saturated by 10%, you get
#F4F4DF. If the color is desaturated by 10%, the color
#F2F2E1 is obtained.