The hex color #df21f0 is a dark color. The web-safe version is Hex
#CC33FF. A complementary color is
#20DE0F. The grayscale version is
#A5A5A5. A 20% lighter version of the original color is
#FF54FF, and Hex
#AC00BD is the 20% darker color. If the color is saturated by 10%, you get
#E514F7. If the color is desaturated by 10%, the color
#D92EE9 is obtained.