You look absolutely human, they won't be able to tell.
With two right hands?
Hand transplant. He lost Lefty back in 'Nam, and only right hands were available in the donor pool at the time.
Shittiest blue man group yet
That sounds like a great plot device for a scifi show! Suddenly humans start appearing in other colors, and it turns out the aliens are color blind (or just got the UV spectrum right).