Hex #664c33 or rgb(102,76,51) in RGB space is the tint of orange. It has hue angle of 29.41 degrees, value = 40 and saturation = 50. #664c33 can be obtained by mixing 3 colors: 4 drops of red, 3 drops of blue, 3 drops of green.
Nearest safe hex - #663333. Below you can see the block with #664c33 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #664c33 to the mixer and play with it.