Colour selection is one of the key areas of interior design. Colouring is an art that has its aesthetic moods, criteria and applications, in addition to its different contrasting functions. At the same time, colour has its pure scientific origins and rules that is closely linked to light. The quality of the visual environment has a positive effect on the occupant's feeling of well-being and in the case of hospitals and healthcare buildings; this can affect staff performance and patient

more »

... The paper aims to analyse the sustainability of the colours in the interior spaces of hospitals and improve the performance of the interior spaces of hospitals in line with the humanitarian needs of the user. The cost of hospital staff and patient treatment is considerable; therefore, measures to maximize performance through improved environments and saving energy by using sustainable colours will generally be cost-effective for these reasons, it is essential to consider lighting and colour design at the early stages of specifying and designing a building. Colour can play a major role in creating sustainable environments. An Applied study using software to create colour criteria when designing interior space elements to maximize the daylight factor which is effecting in patient physiology performance. With respect to the sustainability dimension, the research addressed the relationship between the design of interior space colours and day lighting of hospitals and the users' psychological and physiological aspects to serve adult people.