Hex #397726 or rgb(57,119,38) in RGB space is the tint of grass green. It has hue angle of 105.93 degrees, value = 47 and saturation = 68. #397726 can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of blue, 5 drops of green, 5 drops of black.
Nearest safe hex - #336633. Below you can see the block with #397726 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #397726 to the mixer and play with it.