Alright, thanks! I just had some doubt because on wikipedia the different colors have a few different types of 'usage' (https://en.wikipedia.org/wiki/Electrical_tape ).
So I ran into this problem with the keyboard of my laptop, an MSI GP62 7TEX Leopard Pro, on which a few keys don't work anymore (r, f, c, 8, 9, 0, delete and backspace). This is a problem many people seemed to have (see this link: https://forum-en.msi.com/index.php?topic=295141.100 and check...