The hex color #659d6c is a light color. The web-safe version is Hex
#669966. A complementary color is
#9A6293. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#98D09F, and Hex
#326A39 is the 20% darker color. If the color is saturated by 10%, you get
#63A16B. If the color is desaturated by 10%, the color
#679A6D is obtained.