My favourite doors are in the Cyclades where, next to the white that we all associate with the islands, the prevailing colour is blue. It turns out that this isn’t just because it is a favourite of the people who live there or that the local hardware store simply overstocked and sold it off cheap in a clearance sale, the widespread use emanates from an ancient belief that the sky-blue shade of turquoise has the power to keep evil away. It is believed that the radiation of the colour composes a sort of invisible shield, which prevents the approach of bad spirits.
Have Bag, Will Travel 