The hex color #ffb9fe is a light color. The web-safe version is Hex
#FFCCFF. A complementary color is
#004601. The grayscale version is
#E7E7E7. A 20% lighter version of the original color is
#FFECFF, and Hex
#CC86CB is the 20% darker color. If the color is saturated by 10%, you get
#FFB4FF. If the color is desaturated by 10%, the color
#FDBEFC is obtained.