Hex #405f15 or rgb(64,95,21) in RGB space is the tint of olive. It has hue angle of 85.14 degrees, value = 37 and saturation = 78. #405f15 can be obtained by mixing 4 colors: 3 drops of red, 1 drop of cyan, 5 drops of green, 3 drops of black.
Nearest safe hex - #336600. Below you can see the block with #405f15 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #405f15 to the mixer and play with it.