Vibrant colors, such as brilliant red, hot pink and bright yellow stimulate the appetite.
Dark tones dull the appetite.
Examples of colors that cool the appetite are dark green, navy blue, gray and black. It may do well to know in which manner the client is paying for a reception. If they are paying per person, it would benefit the hotel to have the guests eat and drink less, hence locating them in a darker room would be a wiser choice. However, clients that are paying on a consumption basis would benefit the hotel sales in a brighter room. Round tables are the easiest for the staff to service and they maximize interaction among guests.