The hex color #83a68f is a light color. The web-safe version is Hex
#999999. A complementary color is
#7C5970. The grayscale version is
#939393. A 20% lighter version of the original color is
#B6D9C2, and Hex
#50735C is the 20% darker color. If the color is saturated by 10%, you get
#81A88F. If the color is desaturated by 10%, the color
#85A48F is obtained.