Hex #407915 or rgb(64,121,21) in RGB space is the tint of olive. It has hue angle of 94.20 degrees, value = 47 and saturation = 83. #407915 can be obtained by mixing 4 colors: 2 drops of yellow, 4 drops of green, 1 drop of white, 5 drops of black.
Nearest safe hex - #336600. Below you can see the block with #407915 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #407915 to the mixer and play with it.