There is one sort that is not so hot -think it might be the green ones? I can eat those if I take out the seeds.
I believe it is the seeds that are really hot.
The red ones however, I could not eat raw though sometimes when the seeds are out, and in cooking, they become almost tasteless.
But raw, NO -it always amazes me to see people putting them raw in their mouth and not flinching.
A word of warning: Green chilli can most definitely be just as hot LOL
It's size that makes a different, not colour. The smaller it is the hotter it is. Big long banana chilli are kind of like a peppery capsicum - not worth eating if you ask me - but tiny bullet chilli will take the top off your head.