With economic and social development, urbanisation is accelerating and human activities are increasingly interfering with the natural environment, leading to a series of ecological and environmental problems. To solve these problems, rational planning and management of cities is required. One of the important tools is to guide urban construction through urban colour landscapes. At present, many large and medium-sized cities in China have the phenomenon of “a thousand cities in one”, which not only affects people's quality of life, but also re...