Hex #407e0e or rgb(64,126,14) in RGB space is the tint of olive. It has hue angle of 93.21 degrees, value = 49 and saturation = 89. #407e0e can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of blue, 4 drops of green, 4 drops of black.
Nearest safe hex - #336600. Below you can see the block with #407e0e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #407e0e to the mixer and play with it.