Hex #394439 or rgb(57,68,57) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 27 and saturation = 16. #394439 can be obtained by mixing 4 colors: 2 drops of magenta, 1 drop of blue, 3 drops of green, 3 drops of black.
Nearest safe hex - #333333. Below you can see the block with #394439 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #394439 to the mixer and play with it.