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Results are displayed using contour plots in which colour information is used to convey the underlying biomechanical data. The<jats:italic>Rainbow<\/jats:italic>colour map is nearly exclusively used for these contour plots in palaeontological studies. However, numerous studies in other disciplines have shown the<jats:italic>Rainbow<\/jats:italic>map to be problematic due to uneven colour representation and its inaccessibility for those with colour vision deficiencies. Here, different colour maps were tested for their accuracy in representing values of FEA models. Differences in stress magnitudes (\u0394S) and colour values (\u0394E) of subsequent points from the FEA models were compared and their correlation was used as a measure of accuracy. The results confirm that the<jats:italic>Rainbow<\/jats:italic>colour map is not well suited to represent the underlying stress distribution of FEA models with other colour maps showing a higher discriminative power. As the performance of the colour maps varied with tested scenarios\/stress types, it is recommended to use different colour maps for specific purposes.<\/jats:p>","DOI":"10.1098\/rsos.211357","type":"journal-article","created":{"date-parts":[[2021,11,17]],"date-time":"2021-11-17T08:06:54Z","timestamp":1637136414000},"update-policy":"https:\/\/doi.org\/10.1098\/crossmark-policy","source":"Crossref","is-referenced-by-count":11,"title":["True colours or red herrings?: colour maps for finite-element analysis in palaeontological studies to enhance interpretation and accessibility"],"prefix":"10.1098","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3472-814X","authenticated-orcid":false,"given":"Stephan","family":"Lautenschlager","sequence":"first","affiliation":[{"name":"School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"175","published-online":{"date-parts":[[2021,11,17]]},"reference":[{"key":"e_1_3_6_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tree.2014.04.004"},{"key":"e_1_3_6_3_2","volume-title":"Techniques for virtual palaeontology","author":"Sutton M","year":"2014","unstructured":"Sutton M, Rahman I, Garwood R. 2014 Techniques for virtual palaeontology. 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