Hex #663611 or rgb(102,54,17) in RGB space is the tint of orange. It has hue angle of 26.12 degrees, value = 40 and saturation = 83. #663611 can be obtained by mixing 4 colors: 3 drops of red, 1 drop of magenta, 3 drops of green, 3 drops of black.
Nearest safe hex - #663300. Below you can see the block with #663611 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #663611 to the mixer and play with it.