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Sadly no online doc (although I recall something being written about it in the press when they started night races). I was told this by a friend of mine who freelanced as a livery consultant with indycar and f1 teams (and some tin top ones but I can’t remember which series). He tended to do a load of proposals based on potential sponsors then the internal team would take over when they had finalised the list of people to appear on the car. Anyway he said after this stage they’d simulate (not sure how) various lighting conditions, media types to ensure visibility was optimal
Given how much effort the average F1 team puts into livery including simulating light conditions etc, this is a bit of a mess.