Hex #409640 or rgb(64,150,64) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 59 and saturation = 57. #409640 can be obtained by mixing 3 colors: 1 drop of red, 1 drop of cyan, 2 drops of green.
Nearest safe hex - #339933. Below you can see the block with #409640 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #409640 to the mixer and play with it.