Hex #407139 or rgb(64,113,57) in RGB space is the tint of green. It has hue angle of 112.50 degrees, value = 44 and saturation = 50. #407139 can be obtained by mixing 4 colors: 3 drops of yellow, 4 drops of blue, 2 drops of green, 3 drops of black.
Nearest safe hex - #336633. Below you can see the block with #407139 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #407139 to the mixer and play with it.