Various tools are used for a successful colour design of a building. The use of the colour wheel and the samples of NCS (Natural Colour System) among them.

Human perception is taken into consideration. The colour design of an existing façade can increase the value of the whole building up to five percent!

In the case for the Mitsides factory competition of Dulux manufacturers of paints colour samples from architectural elements in the neighborhood were taken and used in the composition. The existing building is painted medium grey.