So, take a few minutes to examine the front of your house and consider what colours will complement it. For example, if your house is made of red brick, a vibrant pink window might not be the best option, but a darker colour could work. Consider your neighbours as well; do you want your home to blend in with the others on the street, or do you want to stand out?
Whatever you do though, don’t compromise your personal tastes just to fit in. Your home is a reflection of your personality and if you have a particular colour you want, go for it. And don’t forget that you can opt for dual-colour windows, so the interior and exterior frames won’t necessarily have to be identical.