The hex color #c5506c is a dark color. The web-safe version is Hex
#CC6666. A complementary color is
#3AAF93. The grayscale version is
#808080. A 20% lighter version of the original color is
#F8839F, and Hex
#921D39 is the 20% darker color. If the color is saturated by 10%, you get
#CC4B6A. If the color is desaturated by 10%, the color
#BE556E is obtained.