Study on the Application of Vector Illustration in the Design of the "Si Hao" Lemon Tea Brand

With the rapid development of the commercial economy, public aesthetic standards have continuously improved, leading to the widespread appreciation and extensive application of vector illustration. This study examines the forms and values of vector illustration in the context of beverage brand design, using the visual upgrade of the "Si Hao" lemon tea brand as a case study. By integrating emotional design theory, the study explores its feasibility in commercial brand visual upgrades, focusing on aspects such as emotional expression, design principles, application strategies, and implementation processes. The findings aim to provide theoretical insights and practical references for future designers.