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The phenomenon of colour can be explored through various scientific approaches, including the physics of colour, spectral analysis, and colour chemistry. However, for many, colour is primarily an emotional experience, rooted in cognitive and physiological processes. In reality, the world lacks inherent colours, existing instead in shades of grey, from white light to black. This publication begins with these foundational concepts. Gustav Zankl’s investigations into colour quantification build on Sir Isaac Newton’s 17th-century spectral analysis, which identified seven colours and introduced the colour circle. A century later, Arthur Schopenhauer explored the proportions of basic colours using a spinning top and pigments, establishing a framework for colour quantification. Zankl utilized Maxwell’s spinning top system for his experiments with acrylic-coated discs, demonstrating that while colour circles are theoretically possible, they are inaccurate within the colour quant framework. Contrary to the prevailing belief that mixing complementary colours yields neutral grey, Zankl found that true neutral grey can only be achieved by combining three or more pigments. His research reveals that colour quants represent a ratio of 'cold' to 'warm' colours at 3:2. Insights from these studies have influenced Zankl's Concrete Art, with a selection of his artworks included in the publication.
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Farbquanten, Gustav Zankl
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- 2017
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