Hex #66725e or rgb(102,114,94) in RGB space is the tint of olive. It has hue angle of 96.00 degrees, value = 45 and saturation = 18. #66725e can be obtained by mixing 3 colors: 4 drops of magenta, 1 drop of cyan, 5 drops of green.
Nearest safe hex - #666666. Below you can see the block with #66725e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66725e to the mixer and play with it.