The hex color #f621fe is a dark color. The web-safe version is Hex
#FF33FF. A complementary color is
#09DE01. The grayscale version is
#B2B2B2. A 20% lighter version of the original color is
#FF54FF, and Hex
#C300CB is the 20% darker color. If the color is saturated by 10%, you get
#FD13FF. If the color is desaturated by 10%, the color
#EF2FF6 is obtained.