Hex #399c39 or rgb(57,156,57) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 61 and saturation = 63. #399c39 can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of cyan, 5 drops of green, 5 drops of black.
Nearest safe hex - #339933. Below you can see the block with #399c39 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #399c39 to the mixer and play with it.