The hex color #50b37f is a light color. The web-safe version is Hex
#66CC66. A complementary color is
#AF4C80. The grayscale version is
#818181. A 20% lighter version of the original color is
#83E6B2, and Hex
#1D804C is the 20% darker color. If the color is saturated by 10%, you get
#4BB87F. If the color is desaturated by 10%, the color
#55AE7F is obtained.