Pangaearocks
Planter
Perhaps. Or she has a problem with sleep-walking into blue paint buckets. Anything is possible!
Or maybe Caroline was lying. "Hmm, I want my daughter to be normal. Normal people have brownish hair colours. I should say her hair is dyed. Yes, that's it!"But Abby has a quote saying she didn't dye her hair in a long time and it just stays that way.
Maybe magical people are born with normal hair color, but it changes at maturity?
Okay, let me ask a few questions...
Does it matter? Do we investigate our neighbors like this in real life? Do we start telling everyone that our theory (which has no true evidence to back it up but just a lot of coincidence) must be true?
Pierre is an insecure man. Others have strange hair colors. Why the conspiracy theory? Why must we assume the worst of of these folk?