Hex #2b571d or rgb(43,87,29) in RGB space is the tint of grass green. It has hue angle of 105.52 degrees, value = 34 and saturation = 67. #2b571d can be obtained by mixing 4 colors: 2 drops of red, 2 drops of blue, 5 drops of green, 3 drops of black.
Nearest safe hex - #336633. Below you can see the block with #2b571d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #2b571d to the mixer and play with it.