Hex #99572b or rgb(153,87,43) in RGB space is the tint of orange. It has hue angle of 24.00 degrees, value = 60 and saturation = 72. #99572b can be obtained by mixing 4 colors: 5 drops of red, 1 drop of blue, 3 drops of green, 1 drop of white.
Nearest safe hex - #996633. Below you can see the block with #99572b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99572b to the mixer and play with it.