The hex color #a209f6 is a dark color. The web-safe version is Hex
#9900FF. A complementary color is
#5DF609. The grayscale version is
#8B8B8B. A 20% lighter version of the original color is
#D53CFF, and Hex
#6F00C3 is the 20% darker color. If the color is saturated by 10%, you get
#A400FF. If the color is desaturated by 10%, the color
#A016EB is obtained.