The hex color #83c8a8 is a light color. The web-safe version is Hex
#99CC99. A complementary color is
#7C3757. The grayscale version is
#A6A6A6. A 20% lighter version of the original color is
#B6FBDB, and Hex
#509575 is the 20% darker color. If the color is saturated by 10%, you get
#7FCBA8. If the color is desaturated by 10%, the color
#87C5A8 is obtained.