The hex color #a105ef is a dark color. The web-safe version is Hex
#9900FF. A complementary color is
#5EFA10. The grayscale version is
#878787. A 20% lighter version of the original color is
#D438FF, and Hex
#6E00BC is the 20% darker color. If the color is saturated by 10%, you get
#A400F9. If the color is desaturated by 10%, the color
#9E12E5 is obtained.