The vivid color in the metro station figures identity of city

Metro, as a most effective measure, play an important role to alleviate the traffic pressure, also is one of most important characteristics of the identity of city. According to the research result of European industrial association, from 2005 to 2015, globe metro market value increases 2.7% every year, especially focus on developing countries, facing this complexity, this paper tries through the analyzing to successful cases all over the world to sum up how color design plays an important role in metro station to improve space characteristic and safety, meanwhile, form color design principle, which can be used as most important guide to help us figure identity of city, and in the future, resolving the intricacy less safety and stoniness of underground.