The hex color #a54de6 is a dark color. The web-safe version is Hex
#9966FF. A complementary color is
#5AB219. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#D880FF, and Hex
#721AB3 is the 20% darker color. If the color is saturated by 10%, you get
#A645ED. If the color is desaturated by 10%, the color
#A455DF is obtained.