The hex color #a181bb is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#5E7E44. The grayscale version is
#9F9F9F. A 20% lighter version of the original color is
#D4B4EE, and Hex
#6E4E88 is the 20% darker color. If the color is saturated by 10%, you get
#A17EBE. If the color is desaturated by 10%, the color
#A184B8 is obtained.