The hex color #7A8C78 is a light color. The web-safe version is Hex
#669966. A complementary color is
#857387. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#ADBFAB, and Hex
#475945 is the 20% darker color. If the color is saturated by 10%, you get
#798D77. If the color is desaturated by 10%, the color
#7B8B79 is obtained.