The hex color #a181fe is a light color. The web-safe version is Hex
#9999FF. A complementary color is
#5E7E01. The grayscale version is
#B5B5B5. A 20% lighter version of the original color is
#D4B4FF, and Hex
#6E4ECB is the 20% darker color. If the color is saturated by 10%, you get
#9F7CFF. If the color is desaturated by 10%, the color
#A386F7 is obtained.