I only skimmed the abstract and this is the first thing I found but it looks like there's a field of research around colour and its impact on attention, arousal

I only skimmed the abstract and this is the first thing I found but it looks like there's a field of research around colour and its impact on attention, arousal, memory, learning, etc. Maybe some of these references are a starting point, idk. (warning -PDF link) https://scholarworks.umass.edu/cgi/viewcontent.cgi?article=1487&context=refereed https://scholarworks.umass.edu/cgi/viewcontent.cgi?article=1...