I learned this few color tips for food packaging designs during my training at Philippine Trade Training Center. I just like to share it. I hope this can be useful for designing or improving your food packaging designs.
Red. This strongly suggests images of physical and emotional warmth. Stimulating to the appetite. Closely associated with action, youth and vitality.
Yellow. Lively and happy. The color of sunshine. Promotes positive association of fun and enjoyment. Well suited to packaging of soft drinks and other juice beverages.
Blue. Color of the sky and sea. It has a calming effect. Can be use to promote food products with positive and cool associations . This includes mineral water and frozen foods. Deeper blues are often used to promote concepts related to cleanliness and hygiene. It also suggests freshness of dairy products or thirst-quenching drinks.
Green. Tranquil and pastoral. The color of trees and grass. Ideal for promoting commodities with connotations of relaxation and rest. Includes herbal medicine and other natural commodities.
Brown. Rich and fertile like soil. Used to create natural impression. Often used for coffee and chocolate products.