The hex color #67766a is a dark color. The web-safe version is Hex
#666666. A complementary color is
#988995. The grayscale version is
#6D6D6D. A 20% lighter version of the original color is
#9AA99D, and Hex
#344337 is the 20% darker color. If the color is saturated by 10%, you get
#66776A. If the color is desaturated by 10%, the color
#68756A is obtained.