Hex #55791d or rgb(85,121,29) in RGB space is the tint of olive. It has hue angle of 83.48 degrees, value = 47 and saturation = 76. #55791d can be obtained by mixing 3 colors: 1 drop of red, 1 drop of magenta, 4 drops of green.
Nearest safe hex - #666633. Below you can see the block with #55791d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55791d to the mixer and play with it.