Hex #39812f or rgb(57,129,47) in RGB space is the tint of green. It has hue angle of 112.68 degrees, value = 51 and saturation = 64. #39812f can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of green, 1 drop of white, 2 drops of black.
Nearest safe hex - #339933. Below you can see the block with #39812f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #39812f to the mixer and play with it.