The hex color #50c31c is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#AF3CE3. The grayscale version is
#656565. A 20% lighter version of the original color is
#83F64F, and Hex
#1D9000 is the 20% darker color. If the color is saturated by 10%, you get
#4ECC15. If the color is desaturated by 10%, the color
#52BA23 is obtained.