Interaction of Color A Book by Josef Albers yalebooks.yale.edu The deception of colorPractice before theory50 redsNot the what but the howScotopic seeing+11 More Irwin Fluorescents colorgraphicscommunicationteaching
The case against heatmaps An Article by Oliver Palmer www.oliverpalmer.com Visualised aggregations of click activity are a low effort, low signal waste of time and best avoided in favour of actual research. uxmetrics