The hex color #b174b9 is a light color. The web-safe version is Hex
#9966CC. A complementary color is
#4E8B46. The grayscale version is
#9F9F9F. A 20% lighter version of the original color is
#E4A7EC, and Hex
#7E4186 is the 20% darker color. If the color is saturated by 10%, you get
#B370BC. If the color is desaturated by 10%, the color
#AF78B6 is obtained.