The hex color #90169c is a dark color. The web-safe version is Hex
#990099. A complementary color is
#6FE963. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#C349CF, and Hex
#5D0069 is the 20% darker color. If the color is saturated by 10%, you get
#940DA1. If the color is desaturated by 10%, the color
#8C1F97 is obtained.