The hex color #f645c1 is a light color. The web-safe version is Hex
#FF33CC. A complementary color is
#09BA3E. The grayscale version is
#A9A9A9. A 20% lighter version of the original color is
#FF78F4, and Hex
#C3128E is the 20% darker color. If the color is saturated by 10%, you get
#FE3BC3. If the color is desaturated by 10%, the color
#EE4FBF is obtained.