Hex #406340 or rgb(64,99,64) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 39 and saturation = 35. #406340 can be obtained by mixing 4 colors: 2 drops of magenta, 1 drop of blue, 4 drops of green, 1 drop of black.
Nearest safe hex - #336633. Below you can see the block with #406340 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #406340 to the mixer and play with it.