Hex #405240 or rgb(64,82,64) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 32 and saturation = 22. #405240 can be obtained by mixing 4 colors: 2 drops of red, 2 drops of cyan, 1 drop of green, 3 drops of black.
Nearest safe hex - #336633. Below you can see the block with #405240 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #405240 to the mixer and play with it.