The hex color #6f776c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#908893. The grayscale version is
#717171. A 20% lighter version of the original color is
#A2AA9F, and Hex
#3C4439 is the 20% darker color. If the color is saturated by 10%, you get
#6F786C. If the color is desaturated by 10%, the color
#6F766C is obtained.