The hex color #777a9c is a dark color. The web-safe version is Hex
#666699. A complementary color is
#888563. The grayscale version is
#848484. A 20% lighter version of the original color is
#AAADCF, and Hex
#444769 is the 20% darker color. If the color is saturated by 10%, you get
#76799E. If the color is desaturated by 10%, the color
#787B9A is obtained.