The hex color #ff18a1 is a dark color. The web-safe version is Hex
#FF0099. A complementary color is
#00E75E. The grayscale version is
#939393. A 20% lighter version of the original color is
#FF4BD4, and Hex
#CC006E is the 20% darker color. If the color is saturated by 10%, you get
#FF0CA2. If the color is desaturated by 10%, the color
#F424A0 is obtained.