Hex #407d15 or rgb(64,125,21) in RGB space is the tint of olive. It has hue angle of 95.19 degrees, value = 49 and saturation = 83. #407d15 can be obtained by mixing 4 colors: 4 drops of yellow, 2 drops of blue, 5 drops of green, 5 drops of black.
Nearest safe hex - #336600. Below you can see the block with #407d15 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #407d15 to the mixer and play with it.