The hex color #601b59 is a dark color. The web-safe version is Hex
#663366. A complementary color is
#9FE4A6. The grayscale version is
#474747. A 20% lighter version of the original color is
#934E8C, and Hex
#2D0026 is the 20% darker color. If the color is saturated by 10%, you get
#63175B. If the color is desaturated by 10%, the color
#5D1F57 is obtained.