Hex #405920 or rgb(64,89,32) in RGB space is the tint of olive. It has hue angle of 86.32 degrees, value = 35 and saturation = 64. #405920 can be obtained by mixing 3 colors: 2 drops of yellow, 1 drop of cyan, 5 drops of black.
Nearest safe hex - #336633. Below you can see the block with #405920 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #405920 to the mixer and play with it.