Hospitals are among the biggest and more complex installations in our contemporary society, because, besides its architecture, types and offered services, it has the medicine dynamic that imposes continuous chances in the hospital campus. And also we must mention that are the physical and psychological mood that difficult the relationship between the human being and the environment. From understanding this scenario that takes place relating the human and his articulation among elements and inter-relationship between color and subjects, this research focused on the chromatic participation in wayfinding in a hospital environment . It was carried out a case study, using tools as visibility index (VI) to analyze layout and signaling system of the hospital, user´s questionnaires and interviews with employees and architects of that institution. It was aimed to verify how the chromatic information in the elements are perceived and more precisely, how it is used as information for routes that configure activities of the users in this space. Obtained data point out that the chromatic design - if well planned - could help individuals to has sense of pertinence, important for displacements. Some recommendations from ergonomic point of view that could contribute with architects and designers work when designing environments, more adequate to real necessities of its users.