The hex color #6c6f6c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#939093. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#9FA29F, and Hex
#393C39 is the 20% darker color. If the color is saturated by 10%, you get
#6C6F6C. If the color is desaturated by 10%, the color
#6C6F6C is obtained.