Hex #409820 or rgb(64,152,32) in RGB space is the tint of grass green. It has hue angle of 104.00 degrees, value = 60 and saturation = 79. #409820 can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of green, 1 drop of white, 2 drops of black.
Nearest safe hex - #339933. Below you can see the block with #409820 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #409820 to the mixer and play with it.