AIC2020 International Symposium on "Natural colours -- Digital Colours", Session 5_2 PERCEPTION, CAPTATION AND COLOUR CREATION, Scientific Dimension and economical impact Human, animal and machine Vision ; economic impacts ; design, marketing, packaging, …Second Part (End). Chairwoman: Delphine Talbot (Univ. Jean Jaurès Toulouse, CFC). Katia Gasparini: The colour of emerging textile for urban regeneration Bárbara Silva: Innovation for tradition: a new method for researching chromatic identity of architectural ensembles Yun Chen: A general colour selection approach modeling by new research data of designers Karin Bieske: Perception and Evaluation of Luminous Colour Differences