The hex color #cf57d7 is a light color. The web-safe version is Hex
#CC66CC. A complementary color is
#30A828. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#FF8AFF, and Hex
#9C24A4 is the 20% darker color. If the color is saturated by 10%, you get
#D34FDC. If the color is desaturated by 10%, the color
#CB5FD2 is obtained.