The hex color #c90de1 is a dark color. The web-safe version is Hex
#CC00CC. A complementary color is
#36F21E. The grayscale version is
#929292. A 20% lighter version of the original color is
#FC40FF, and Hex
#9600AE is the 20% darker color. If the color is saturated by 10%, you get
#CE00E9. If the color is desaturated by 10%, the color
#C41AD9 is obtained.