The hex color #6d7a6c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#928593. The grayscale version is
#717171. A 20% lighter version of the original color is
#A0AD9F, and Hex
#3A4739 is the 20% darker color. If the color is saturated by 10%, you get
#6D7B6C. If the color is desaturated by 10%, the color
#6D796D is obtained.