The hex color #a854ef is a dark color. The web-safe version is Hex
#9966FF. A complementary color is
#57AB10. The grayscale version is
#A4A4A4. A 20% lighter version of the original color is
#DB87FF, and Hex
#7521BC is the 20% darker color. If the color is saturated by 10%, you get
#A84CF7. If the color is desaturated by 10%, the color
#A85CE7 is obtained.