So I found that if I change this plot, it seems changes across all the expeiment too? How did it cache this setting? could this be shared among users or only per user or it is actually cached by the browser only?

Hi EnviousStarfish54
Color coding on the entire UI is stored per user (I think that on your local cookies, but I might be wrong). Anyhow any title/series combination will have the select color regardless of the project.
This way you can configure once that loss is red and accuracy is green, etc.