However, when they could not see the color of the drink, they made mistakes. For example, 70 percent of the people who tasted the grape-drink, said it was grape. However, 15 percent of the people thought it was lemon-lime. Only 30 percent of the people who tasted the cherry drink thought it was cherry. Most people thought the cherry drink was lemon-lime.”

(Read more: http://www.care2.com/greenliving/how-color-affects-yourappetite.html#ixzz1xB7ETSUe ; June 8, 2012)

It is indeed an interesting study that proves that the association of recognized food color and unknown color could confuse people. On the otherhand red-yellow color always increases our appetite. Commonly red-yellow color is applied in food to harmonize with our body chemistry that prepares our body before eating. It helps to digest better when one eats in the right environment.

Red-orange colors are preferred inside the restaurant because of the following- “While blue is considered an appetite-suppressing color, researchers often point to warm colors as appetite-stimulating. According to the Rohm and Haas Paint Quality Institute, red is a powerful color that increases blood pressure and heart rate. It often produces feelings of intimacy, energy, passion and sexuality. It also stimulates the appetite–it is often used in restaurants and is an excellent choice for dining rooms in the home. Yellow is also an appetite-stimulating color as is associated with energy and happiness...This is why many designers recommend warm colors for home kitchens and restaurants–not only does it increase the appetite, but it has been shown to increase the speed at which people eat. Blue is rarely recommended: it slows us down and makes us want to go to sleep.”

Read more: http://www.care2.com/greenliving/how-color-affects-yourappetite.html#ixzz1xB8EyjRQ; June 8, 2012)