Hex #377b31 or rgb(55,123,49) in RGB space is the tint of green. It has hue angle of 115.14 degrees, value = 48 and saturation = 60. #377b31 can be obtained by mixing 4 colors: 3 drops of yellow, 4 drops of blue, 4 drops of green, 3 drops of black.
Nearest safe hex - #336633. Below you can see the block with #377b31 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #377b31 to the mixer and play with it.