Hex #809c5b or rgb(128,156,91) in RGB space is the tint of olive. It has hue angle of 85.85 degrees, value = 61 and saturation = 42. #809c5b can be obtained by mixing 4 colors: 2 drops of red, 5 drops of green, 5 drops of white, 2 drops of black.
Nearest safe hex - #999966. Below you can see the block with #809c5b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #809c5b to the mixer and play with it.