The hex color #6d996c is a light color. The web-safe version is Hex
#669966. A complementary color is
#926693. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#A0CC9F, and Hex
#3A6639 is the 20% darker color. If the color is saturated by 10%, you get
#6C9C6A. If the color is desaturated by 10%, the color
#6E966E is obtained.