The hex color #83B9A8 is a light color. The web-safe version is Hex
#99CC99. A complementary color is
#7C4657. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#B6ECDB, and Hex
#508675 is the 20% darker color. If the color is saturated by 10%, you get
#80BBA9. If the color is desaturated by 10%, the color
#86B7A7 is obtained.