Board Thread:False Info and Speculative Discussion/@comment-25178327-20140416192224/@comment-13965604-20140418025220

98.166.214.56 wrote: I feel like Derek's eyes will go back to being yellow/gold which will make him become the second True Alpha. I always felt like Derek would've been the next True Alpha if Peter never manipulated him like that to killing Paige. Remember he was JUST like Scott at age 15.

As far as we know Derek's eyes are blue because he took an innocent life. You cannot untake a life, no matter how much you try to atone for it. As far as canon is concerned, at this point in time we have had no indication that you can go back to yellow from blue.