The hex color #b4555b is a dark color. The web-safe version is Hex
#CC6666. A complementary color is
#4BAAA4. The grayscale version is
#777777. A 20% lighter version of the original color is
#E7888E, and Hex
#812228 is the 20% darker color. If the color is saturated by 10%, you get
#BA5258. If the color is desaturated by 10%, the color
#AE585E is obtained.