Hex #399239 or rgb(57,146,57) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 57 and saturation = 61. #399239 can be obtained by mixing 4 colors: 2 drops of yellow, 2 drops of cyan, 2 drops of green, 3 drops of black.
Nearest safe hex - #339933. Below you can see the block with #399239 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #399239 to the mixer and play with it.