The hex color #fa21c8 is a dark color. The web-safe version is Hex
#FF33CC. A complementary color is
#05DE37. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#FF54FB, and Hex
#C70095 is the 20% darker color. If the color is saturated by 10%, you get
#FF14CC. If the color is desaturated by 10%, the color
#F12EC4 is obtained.