Hex #408b47 or rgb(64,139,71) in RGB space is the tint of green. It has hue angle of 125.60 degrees, value = 55 and saturation = 54. #408b47 can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of magenta, 4 drops of blue, 5 drops of green.
Nearest safe hex - #339933. Below you can see the block with #408b47 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #408b47 to the mixer and play with it.