Hex #398f26 or rgb(57,143,38) in RGB space is the tint of grass green. It has hue angle of 109.14 degrees, value = 56 and saturation = 73. #398f26 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of red, 2 drops of blue, 5 drops of green.
Nearest safe hex - #339933. Below you can see the block with #398f26 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #398f26 to the mixer and play with it.