Hex #408a35 or rgb(64,138,53) in RGB space is the tint of grass green. It has hue angle of 112.24 degrees, value = 54 and saturation = 62. #408a35 can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of blue, 5 drops of green, 2 drops of black.
Nearest safe hex - #339933. Below you can see the block with #408a35 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #408a35 to the mixer and play with it.