The hex color #786b7c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#879483. The grayscale version is
#757575. A 20% lighter version of the original color is
#AB9EAF, and Hex
#453849 is the 20% darker color. If the color is saturated by 10%, you get
#786A7D. If the color is desaturated by 10%, the color
#786C7B is obtained.