The hex color #779f6c is a light color. The web-safe version is Hex
#669966. A complementary color is
#886093. The grayscale version is
#818181. A 20% lighter version of the original color is
#AAD29F, and Hex
#446C39 is the 20% darker color. If the color is saturated by 10%, you get
#76A26A. If the color is desaturated by 10%, the color
#789C6E is obtained.