http://facweb.cs.depaul.edu/sgrais/color_context.htm Color context http://facweb.cs.depaul.edu/sgrais/color_context.htm http://facweb.cs.depaul.edu/sgrais/color_context.htm http://facweb.cs.depaul.edu/sgrais/color_context.htm Color Context and Simultaneous Contrast http://facweb.cs.depaul.edu/sgrais/color_context.htm http://facweb.cs.depaul.edu/sgrais/color_context.htm http://facweb.cs.depaul.edu/sgrais/color_context.htm Color Context and Simultaneous Contrast http://facweb.cs.depaul.edu/sgrais/color_context.htm color contrast effect Josef Albersin väriteoriaa Josef Albers color theory