Who said colour was a modern trend?  As well as window styles varying throughout the ages, fashions in colours have changed as well.  For example, in the 17th Century windows were predominately oak or left unpainted, whereas skipping forward to the 19th Century windows were always painted.  Staining was not a traditional finish.  Many of the colours available were made with natural, earth and mineral pigments, as well as black, which was made from burning wood or oil.  Moving forward through the ages, choices became more exotic as chemists were able to make a wider range of colours commercially available. When it comes to renovating a period property, or replicating a more traditional style, the Profix R9.