[It's not so much that she dislikes bolder colors, it's more that as the last princess of Alderaan, Leia feels obligated to continue tradition as long as she's able. And really, wardrobe choices are the easiest to continue, not requiring much effort on her part.]

Now that Han finally admits he's feeling better, things have gotten easier. I can't understand why he pretended he was more helpless than he actually was.

[Well aside from Anakin being back, but Anakin isn't a subject Leia is about to discuss. In fact she spends most of her time trying to shove him out of her mind.]