The design of pull-tab packaging for cans often involves selecting colors that are both attractive and functional. Colors can be used to convey brand identity, attract consumer attention, and communicate the product's characteristics. For instance, bright and vibrant colors might be used for soft drinks to convey energy, while more subdued colors might be chosen for beer to convey a sense of sophistication. Additionally, color can also indicate the type of beverage inside, such as green for tea or coffee, and red for fruit juices. Designers must also consider the material's limitations and printing processes, as well as the need for colorfastness to ensure the design remains intact during storage and transportation.