“Psycho-tricks” when shopping: How colors subconsciously influence customers. Red encourages “impulsive purchases” and draws attention to a product.

“Black conveys luxury and exclusivity,” explains the “Lebensmittelzeitung’. Baked goods are often presented under a reddish light, while fish look better under blue light. And they are also used for lighting: bright, fruit and vegetables at the store entrance look “appealing”