The hex color #83b47b is a light color. The web-safe version is Hex
#99CC66. A complementary color is
#7C4B84. The grayscale version is
#919191. A 20% lighter version of the original color is
#B6E7AE, and Hex
#508148 is the 20% darker color. If the color is saturated by 10%, you get
#82B879. If the color is desaturated by 10%, the color
#84B07D is obtained.