Hex #407a35 or rgb(64,122,53) in RGB space is the tint of grass green. It has hue angle of 110.43 degrees, value = 48 and saturation = 57. #407a35 can be obtained by mixing 4 colors: 1 drop of magenta, 4 drops of green, 1 drop of white, 2 drops of black.
Nearest safe hex - #336633. Below you can see the block with #407a35 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #407a35 to the mixer and play with it.