The hex color #c7789d is a light color. The web-safe version is Hex
#CC6699. A complementary color is
#388762. The grayscale version is
#9F9F9F. A 20% lighter version of the original color is
#FAABD0, and Hex
#94456A is the 20% darker color. If the color is saturated by 10%, you get
#CB749D. If the color is desaturated by 10%, the color
#C37C9D is obtained.