Appreciation of red and blue packaging design

Quick answer：

Red and blue packaging design is a popular topic in the field of graphic design. It often utilizes these colors to convey a sense of energy, excitement, or trust. Red, being a warm color, can attract attention and convey passion, while blue, a cool color, is often associated with calmness and reliability. This design style is often used in marketing and branding to create a memorable and effective visual impact.