The hex color #84d12d is a light color. The web-safe version is Hex
#99CC33. A complementary color is
#7B2ED2. The grayscale version is
#818181. A 20% lighter version of the original color is
#B7FF60, and Hex
#519E00 is the 20% darker color. If the color is saturated by 10%, you get
#84D925. If the color is desaturated by 10%, the color
#84C935 is obtained.