I finished the handspun hat and mittens:
When I finished the pair and saw that the other thumb had far more visible red flecks, I remedied the situation in a way that will not surprise those who have taken my Little Tips and Tricks Workshop: I dug out my trusty red Sharpie, and I colored the thumb a bit. No, I'm not kidding.
You wouldn't have known that if I hadn't told you, right? Well, not only do I believe in Full Disclosure, I'm not in the least ashamed. Sharpies have saved many a project, and it's a tip that I pass along happily in my classes.