The hex color #c918a0 is a dark color. The web-safe version is Hex
#CC0099. A complementary color is
#36E75F. The grayscale version is
#808080. A 20% lighter version of the original color is
#FC4BD3, and Hex
#96006D is the 20% darker color. If the color is saturated by 10%, you get
#D00EA3. If the color is desaturated by 10%, the color
#C2229D is obtained.