Hex #405b15 or rgb(64,91,21) in RGB space is the tint of olive. It has hue angle of 83.14 degrees, value = 36 and saturation = 77. #405b15 can be obtained by mixing 4 colors: 1 drop of red, 1 drop of magenta, 4 drops of green, 2 drops of black.
Nearest safe hex - #336600. Below you can see the block with #405b15 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #405b15 to the mixer and play with it.