Color perception is a matter of geography
They’ve spotted me. I tried to disguise myself as one of them. We’ve studied them for years. I was trained in acting and thinking like them, I went thru surgery in order to look like one of them, yet – something was wrong here. Something in the way people were trying to avoid me, look the other way, not something specific, but there was suspicion in the air. The earthlings were getting restless.