The hex color #a604c0 is a dark color. The web-safe version is Hex
#9900CC. A complementary color is
#59FB3F. The grayscale version is
#797979. A 20% lighter version of the original color is
#D937F3, and Hex
#73008D is the 20% darker color. If the color is saturated by 10%, you get
#AB00C7. If the color is desaturated by 10%, the color
#A110B9 is obtained.