The paper discusses the problem of visual perception of colours and its use on posters, by the Fine Arts Students of Obafemi Awolowo University in Ile-lfe. In order to solve the identified problems, the author prescribes a model for effecting change based on theories of learning and perception. The procedure include visitations and planned field trips to art galleries after which
the strategy of rapport would be introduced. Reinforcement of every desired responses would be encouraged during the course of practical when actual pigments of colours would be mixed. The suggested model presents the criteria measure which would enhance the mastery of desired responses. Feedback, application and evaluation procedure are also used to advantage in the prescribed model. The art teachers are encouraged to make use of Instructional strategies for delivering their lectures based on the above model.