This is the final clue

Robin:

One of the superstars fighting against the monopoly of the large publishers, and literally breaking down pay-walls is the developer of the website SciHub.

In order to unlock the door and “escape” the room, you need to collect three colors

  1. The flag of the country where the founder of SciHub originated from has the colors blue and …
  2. What is the color of the key in the SciHub logo?
  3. What is the default color of the well-known Open Access logo?

When you’re sure about your answers you can continue

The last step is to go to the source of this website on GitHub, where people commonly share scripts publicly

Here’s the link: github.com/norment/ecrm20_escaperoom

Somewhere in this repository is a file with the link to the exit. The name of this file contains the three colors you found above. Go find this file in the repository and follow the link!