Hex #409840 or rgb(64,152,64) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 60 and saturation = 58. #409840 can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of cyan, 3 drops of green, 5 drops of black.
Nearest safe hex - #339933. Below you can see the block with #409840 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #409840 to the mixer and play with it.