This study describes a process of relating the perceptual analysis of the colors of the terrestrial atmosphere to currently available pigments used in artists, painting systems. This process sought to discover how the colors of the sky could be defined and simulated by these pigments. The author also describes how confusion oiler the bewildering choice of suitable pigments on offer in the market place can be clarified. (c) 2006 Wiley Periodicals, Inc. Col Res Appl, 32, 249-255, 2007.