The hex color #b81ba3 is a dark color. The web-safe version is Hex
#CC3399. A complementary color is
#47E45C. The grayscale version is
#7D7D7D. A 20% lighter version of the original color is
#EB4ED6, and Hex
#850070 is the 20% darker color. If the color is saturated by 10%, you get
#BE11A7. If the color is desaturated by 10%, the color
#B2259F is obtained.