Hex #40892b or rgb(64,137,43) in RGB space is the tint of grass green. It has hue angle of 106.60 degrees, value = 54 and saturation = 69. #40892b can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of blue, 4 drops of green, 2 drops of black.
Nearest safe hex - #339933. Below you can see the block with #40892b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #40892b to the mixer and play with it.