Hex #664733 or rgb(102,71,51) in RGB space is the tint of orange. It has hue angle of 23.53 degrees, value = 40 and saturation = 50. #664733 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of red, 2 drops of cyan, 4 drops of black.
Nearest safe hex - #663333. Below you can see the block with #664733 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #664733 to the mixer and play with it.