I know that mine definitely changes color depending on the circumstance. Yours will probably end up becoming a deeper yellow, but that statement is based solely on my opinion and the amount of dragons I've seen over the last few months.
here was my khan the day after I got him. I thought he would stay brownish with orange circles:
but this is the color he is most of the time now, unless he's basking or afraid:
You can see that there's a pretty big difference, just since a couple of sheds. I think that's one of the best parts about having a beardie, is watching what they grow up to be.