The hex color #a10fea is a dark color. The web-safe version is Hex
#9900FF. A complementary color is
#5EF015. The grayscale version is
#898989. A 20% lighter version of the original color is
#D442FF, and Hex
#6E00B7 is the 20% darker color. If the color is saturated by 10%, you get
#A303F4. If the color is desaturated by 10%, the color
#9F1BE0 is obtained.