21 September 2010

the colour of stainless steel

The surface of stainless steel can be chemically altered to produce a range of rich colours. Similar to some birds' feathers and butterfly wings the colour is caused by light interference at nano scale. Known as interference or structural colour, it shifts and changes according to the viewing angle, because the light waves are split and refracted in all different directions.

Image of architectural cladding by Rimex.