The hex color #e42390 is a dark color. The web-safe version is Hex
#CC3399. A complementary color is
#1BDC6F. The grayscale version is
#888888. A 20% lighter version of the original color is
#FF56C3, and Hex
#B1005D is the 20% darker color. If the color is saturated by 10%, you get
#ED1991. If the color is desaturated by 10%, the color
#DB2D8F is obtained.