<p dir="ltr">This is a data set and output document for a study that investigates the psychological and cultural impact of colour on the perception of learning environments among architecture students at Kwame Nkrumah University of Science and Technology (KNUST) in Ghana. Through a quantitative, descriptive survey of 67 third and fourth-year students, the research explores colour preferences and their emotional associations. The key findings indicate a strong preference for cool colours (blue and green), which are associated with calmness and focus, aligning with both global environmental psychology literature. </p>