Hex #66594a or rgb(102,89,74) in RGB space is the tint of orange. It has hue angle of 32.14 degrees, value = 40 and saturation = 27. #66594a can be obtained by mixing 4 colors: 5 drops of red, 5 drops of blue, 4 drops of green, 1 drop of white.
Nearest safe hex - #666633. Below you can see the block with #66594a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66594a to the mixer and play with it.