The hex color #f3d9ff is a light color. The web-safe version is Hex
#FFCCFF. A complementary color is
#0C2600. The grayscale version is
#EEEEEE. A 20% lighter version of the original color is
#FFFFFF, and Hex
#C0A6CC is the 20% darker color. If the color is saturated by 10%, you get
#F3D7FF. If the color is desaturated by 10%, the color
#F3DBFD is obtained.