The hex color #83d58b is a light color. The web-safe version is Hex
#99CC99. A complementary color is
#7C2A74. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#B6FFBE, and Hex
#50A258 is the 20% darker color. If the color is saturated by 10%, you get
#80DA89. If the color is desaturated by 10%, the color
#86D08D is obtained.