They are grey and white as you say, or blue and white in cat fanciers language.
What look alikes they are, is not easy to see on kittens, as young as they. Kittens tends to have a teddy bear looks and fuzzy fur. This can change as yet!
The only we know, they wont suddenly turn into show quality Orientales,,, The orientales prolonged muzzle is visible already in such small kittens.