The hex color #fdf3f3 is a light color. The web-safe version is Hex
#FFFFFF. A complementary color is
#020C0C. The grayscale version is
#F6F6F6. A 20% lighter version of the original color is
#FFFFFF, and Hex
#CAC0C0 is the 20% darker color. If the color is saturated by 10%, you get
#FEF3F3. If the color is desaturated by 10%, the color
#FCF3F3 is obtained.