The hex color #50937c is a dark color. The web-safe version is Hex
#669966. A complementary color is
#AF6C83. The grayscale version is
#757575. A 20% lighter version of the original color is
#83C6AF, and Hex
#1D6049 is the 20% darker color. If the color is saturated by 10%, you get
#4C967D. If the color is desaturated by 10%, the color
#54907B is obtained.