The hex color #ff81b5 is a light color. The web-safe version is Hex
#FF99CC. A complementary color is
#007E4A. The grayscale version is
#BCBCBC. A 20% lighter version of the original color is
#FFB4E8, and Hex
#CC4E82 is the 20% darker color. If the color is saturated by 10%, you get
#FF7BB4. If the color is desaturated by 10%, the color
#F887B6 is obtained.