Hex #50b340 or rgb(80,179,64) in RGB space is the tint of grass green. It has hue angle of 111.65 degrees, value = 70 and saturation = 64. #50b340 can be obtained by mixing 4 colors: 5 drops of yellow, 4 drops of cyan, 4 drops of green, 3 drops of black.
Nearest safe hex - #66cc33. Below you can see the block with #50b340 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #50b340 to the mixer and play with it.