The hex color #77aa6c is a light color. The web-safe version is Hex
#669966. A complementary color is
#885593. The grayscale version is
#848484. A 20% lighter version of the original color is
#AADD9F, and Hex
#447739 is the 20% darker color. If the color is saturated by 10%, you get
#76AE6A. If the color is desaturated by 10%, the color
#78A66E is obtained.