Hex #447b39 or rgb(68,123,57) in RGB space is the tint of grass green. It has hue angle of 110.00 degrees, value = 48 and saturation = 54. #447b39 can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of blue, 3 drops of green, 3 drops of black.
Nearest safe hex - #336633. Below you can see the block with #447b39 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #447b39 to the mixer and play with it.