在全球文旅深度融合与城市品牌竞争日趋激烈的背景下，旅游空间营造已从单一的景观陈列演进为多维度的文化场 景体验式建构。甘肃省会兰州作为丝绸之路经济带重要的节点城市，与敦煌同属丝路文化脉络，却未将丝路文化转化为鲜明 视觉意象，其旅游发展面临文化意象模糊、空间特质消解的同质化发展困境。文章引入并界定“色彩地理基因”概念，以敦 煌色彩基因谱系为核心地域文化基因载体，旨在探索一套从文化意象转译到空间场景营造的旅游空间重构路径。提出以“色 彩叙事”为核心驱动、以“场景营造”为核心目标的兰州旅游空间的转译路径与实施策略，为地域文化资源向当代城市空间 资本的创造性转化提供理论支撑与方法借鉴。

Against the backdrop of deeply integrated global culture and tourism and ever increasingly intensified competition among various city brands, the creation of tourism space has been involved from the display of a single landscape to the construction of multi-dimension cultural scenes and experiences gaining from them. In spite of serving as the capital of Gansu Province and an important node city on the economic belt of the Silk Road, Lanzhou has still encountered the severe homogeneous dilemma of vague cultural imagery and blurred space-based characteristics in its tourism development. This paper introduced and defined the conception of "color-based geographical gene", and took Dunhuang’s artistic characteristics as a carrier of core regional-culture gene to explore a path of tourism space reconstruction translating cultural images into space-scene creations. It proposed a possible transformation path and its implementation strategy of Lanzhou’s tourism space with the core driver of "color-based narrative" and the core objective of "scene creation", thereby providing theoretical support and reference for geographical culture resources to be innovatively translated into urban spatial capital in modern times.