The hex color #b4639d is a light color. The web-safe version is Hex
#CC6699. A complementary color is
#4B9C62. The grayscale version is
#919191. A 20% lighter version of the original color is
#E796D0, and Hex
#81306A is the 20% darker color. If the color is saturated by 10%, you get
#B75E9E. If the color is desaturated by 10%, the color
#B1689C is obtained.