The hex color #787C92 is a dark color. The web-safe version is Hex
#666699. A complementary color is
#87836D. The grayscale version is
#828282. A 20% lighter version of the original color is
#ABAFC5, and Hex
#45495F is the 20% darker color. If the color is saturated by 10%, you get
#777B94. If the color is desaturated by 10%, the color
#797D90 is obtained.