1. Degree Type: The color of the bachelor's uniform may be different according to the degree type. For example, in the United States, uniforms for bachelor's degrees are usually black, master's degrees are black or dark, and doctoral degrees are dark or grass green.
2. School tradition: Some universities may have their own traditional colors, and bachelor's uniforms will be designed accordingly. For example, in Britain, the uniforms of Oxford University are dark blue, while those of Cambridge University are burgundy.
In addition, in some countries or regions, the color of university bachelor's uniforms may be different according to different graduation issuing agencies. For example, in Australia, the bachelor's degree uniforms of most universities are black, but the bachelor's degree uniforms of Queensland University of Technology are gray.
Generally speaking, the chromatic aberration of university bachelor's uniform depends on many factors, including degree type, school tradition, graduation issuing institution and so on.