The hex color #e90ce4 is a dark color. The web-safe version is Hex
#FF00CC. A complementary color is
#16F31B. The grayscale version is
#9E9E9E. A 20% lighter version of the original color is
#FF3FFF, and Hex
#B600B1 is the 20% darker color. If the color is saturated by 10%, you get
#F100EB. If the color is desaturated by 10%, the color
#E11BDD is obtained.