The hex color #c81dff is a dark color. The web-safe version is Hex
#CC33FF. A complementary color is
#37E200. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#FB50FF, and Hex
#9500CC is the 20% darker color. If the color is saturated by 10%, you get
#CC10FF. If the color is desaturated by 10%, the color
#C42AF6 is obtained.