Red

(These Arent in RED)

These Are Sandshrew, Sandslash, Vulpix, Ninetales, Meowth, Persian, Bellsprout, Weepinbell, Victreebel, Magmar, Pinsir and Mew

Blue

(These Arent in Blue)

They are: Ekans, Arbok, Mankey, Primeape, Growlithe, Arcanine, Oddish, Gloom, Vileplume, Scyther, Electabuzz and Mew

Yellow

(These arent in Yellow)

These Are Weedle, Kakuna, Beedrill, Ekans, Arbok, Meowth, Persian, Koffing, Weezing, Jynx, Magmar, and Mew