Publications of the Austrian Ludwig Wittgenstein Society New Series (N.S.) -- Title Page -- Copyright Page -- Table of Contents -- List of Works of Ludwig Wittgenstein -- When and why was Remarks on Colour written - and why is it important to know? -- References -- "We Have a Colour System as We Have a Number System" -- 1 Introduction -- 2 Principles of collection -- 3 Open vs. closed systems -- 4 Problems -- 5 Aspects -- 6 Language-games: our systems, our nature -- Green and Orange - Colour and Space in Wittgenstein -- 1 Introductory remarks -- 2 Wittgenstein around 1930 -- 3 Runge -- 4 Wittgenstein: Conclusion -- References -- 'Propositions About Blue' - Wittgenstein on the Concept of Colour -- References -- Did Wittgenstein have a Theory of Colour? -- 1 Shaping the Question Further -- 2 Some Answers Rejected -- 3 Support from Wittgenstein -- 4 Remark on the Remarks -- References -- "Imagine a Tribe of Colour-Blind People" -- 1 The words "reddish-green" and "yellowish-blue" -- 2 The description of consistent behaviour -- References -- Reddish Green -- 1 Logical form versus empirical research -- 2 Synthetic knowledge a priori -- 3 Limits to change -- References -- Wittgenstein as a Commentator on the Psychology and Anthropology of Colour -- 1 Introduction -- 2 The Psychology and Anthropology of Colour -- 3 Enter Wittgenstein -- (A) Socio-cultural accounts of similarity judgements -- (B) Differences in seeing -- (C) Languages without colour concepts -- (D) Morphological differences -- (E) A Grammar of Colour -- 4 Conclusions -- Bibliography -- Concepts of Colour and Limits of Understanding -- Notes on the Contributors -- Index.