u/Ok_Television5221

I do wanna start this off with i have 0 knowledge on this type of thing. I have an ex roommate who's desk i accidentally damaged the top of. The orange / blue spot is a bit more prominent than this image shows but it is the best one I have currently. I feel bad for damaging the top while not intending to but I want to know what the repair process might look like. Also if there is a reason it's blue.