On a similar note, the color of a storefront can greatly impact a potential customer’s mood, when they cross the threshold. As everyone’s been ravenously exploring the possibilities of color theory in the 21st Century, this has led to a certain amount of bright, bold overkill. A bright storefront or an illuminated exterior can make your customer feel excited and positive, while browsing your wares, but it’s easy to overdo, to become chintzy and cheap-looking.