Hex #398f39 or rgb(57,143,57) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 56 and saturation = 60. #398f39 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of magenta, 2 drops of blue, 5 drops of green.
Nearest safe hex - #339933. Below you can see the block with #398f39 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #398f39 to the mixer and play with it.