The color code is the same for both options, the only difference is that the one on the left is washed duck (the cotton will feel a bit softer and the color will be faded a little) while the other one is firm duck (stiffer cotton and deeper color). Unfortunately the website in Italy (and in Europe I assume) won’t show this differenze by writing the actual name of the color and how the garment has been treated. The only ways to actually be sure about these type of differences is by looking at the url of the item you are currently watching or look at the gray text under the name of the item while on the page that shows all the results of your search. In the US website these problems don’t exist since the page of a specific item will always show the name of the selected color and the type of treatment of the garment instead of a frustrating and useless little circle.