Core Points - The article discusses the recent change in Ele.me's delivery rider uniforms from blue to orange-black, resembling racing suits, which has garnered positive reactions on social media [1][4]. Group 1: Uniform Changes - Ele.me's new rider uniforms are designed to be more visually striking, with the orange-black color scheme being compared to racing team outfits, specifically referencing McLaren [1][4]. - The previous blue uniforms also featured high saturation colors, making them easily recognizable in urban environments [6][8]. Group 2: Color Significance - Bright colors in outdoor clothing, including delivery uniforms, are chosen for safety and visibility, allowing riders to be easily seen by others, including rescue personnel [21][23]. - Research indicates that fluorescent colors, particularly fluorescent yellow-green, are the most easily detected, enhancing safety in various conditions [26][24]. Group 3: Industry Comparisons - Other delivery platforms like Meituan and JD also utilize high-saturation colors in their uniforms, with Meituan primarily using yellow and JD using bright red [9][11][15]. - The design of these uniforms often aligns with outdoor apparel trends, emphasizing functionality and visibility [15][28].