x2.
This is what Shannnon is talking about, here's my new Tiger still in the quarantine tank:
and this is the same fish, when she just got introduced into the big red's territory:
and the last one is the way he looks now, all settled in and feeling at home:
this is a normal way of an oscar o blend in with the surroundings, and in a tank, different moods will display different camouflage.
Can we see a picture of your oscar?
on the other hand the crossbreeding of colours in oscars has led to very different patterns and colourings.
Here's a nice example of a black and white oscar:
if yours is still a baby there's no way of telling what he'll look like as an adult.