visual symbols have the characteristics of high concentration and rapid transmission of complex information, while color can shape emotions, create atmosphere and convey cultural heritage invisibly. Therefore, this paper makes an in-depth discussion on the information bearing and recognition function of visual symbols, the emotional stimulation and narrative ability of colors, and how they work together in various contemporary application scenarios to achieve better communication effects, it aims to provide a useful perspective for design practice and help creators to create excellent visual communication works with high recognition, clear information transmission and strong emotional resonance.