The hex color #f3f28d is a light color. The web-safe version is Hex
#FFFF99. A complementary color is
#0C0D72. The grayscale version is
#D1D1D1. A 20% lighter version of the original color is
#FFFFC0, and Hex
#C0BF5A is the 20% darker color. If the color is saturated by 10%, you get
#F6F586. If the color is desaturated by 10%, the color
#F0EF94 is obtained.