Hex #446339 or rgb(68,99,57) in RGB space is the tint of grass green. It has hue angle of 104.29 degrees, value = 39 and saturation = 42. #446339 can be obtained by mixing 4 colors: 4 drops of yellow, 5 drops of blue, 1 drop of green, 5 drops of black.
Nearest safe hex - #336633. Below you can see the block with #446339 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #446339 to the mixer and play with it.