The hex color #90166c is a dark color. The web-safe version is Hex
#990066. A complementary color is
#6FE993. The grayscale version is
#5B5B5B. A 20% lighter version of the original color is
#C3499F, and Hex
#5D0039 is the 20% darker color. If the color is saturated by 10%, you get
#950F6E. If the color is desaturated by 10%, the color
#8B1D6A is obtained.