Hex #66300b or rgb(102,48,11) in RGB space is the tint of orange. It has hue angle of 24.40 degrees, value = 40 and saturation = 89. #66300b can be obtained by mixing 4 colors: 5 drops of red, 1 drop of magenta, 4 drops of green, 5 drops of black.
Nearest safe hex - #663300. Below you can see the block with #66300b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66300b to the mixer and play with it.