Hex #337739 or rgb(51,119,57) in RGB space is the tint of green. It has hue angle of 125.29 degrees, value = 47 and saturation = 57. #337739 can be obtained by mixing 4 colors: 3 drops of yellow, 5 drops of blue, 4 drops of green, 3 drops of black.
Nearest safe hex - #336633. Below you can see the block with #337739 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #337739 to the mixer and play with it.