Hex #666033 or rgb(102,96,51) in RGB space is the tint of yellow. It has hue angle of 52.94 degrees, value = 40 and saturation = 50. #666033 can be obtained by mixing 4 colors: 1 drop of yellow, 3 drops of magenta, 4 drops of green, 2 drops of black.
Nearest safe hex - #666633. Below you can see the block with #666033 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #666033 to the mixer and play with it.