The hex color #FDFDF3 is a light color. The web-safe version is Hex
#FFFFFF. A complementary color is
#02020C. The grayscale version is
#FAFAFA. A 20% lighter version of the original color is
#FFFFFF, and Hex
#CACAC0 is the 20% darker color. If the color is saturated by 10%, you get
#FDFDF2. If the color is desaturated by 10%, the color
#FDFDF4 is obtained.