Touch of Frost Posted on February 1, 2016 by PictureS Touch of Frost One of the rare frosty days this winter. This painting uses only 3 colours (Yellow Ochre, Burnt Sienna, Prussian Blue) plus black and white. There is no medium used, only White Spirits. The painting process is here: AdvertisementShare this:FacebookEmailLinkedInLike this:Like Loading...