Is it legal to have white LED lights in place of my license plate lighting?

I am looking to replace the factory-installed lighting on my license plate lights with white LED lights. Is that legal in Pennsylvania? Could I get in trouble for it at all? Also, I am looking to install a blue dome light inside the car. Could that be a violation? I know that light is not generally on while the... show more I am looking to replace the factory-installed lighting on my license plate lights with white LED lights. Is that legal in Pennsylvania? Could I get in trouble for it at all?

Also, I am looking to install a blue dome light inside the car. Could that be a violation? I know that light is not generally on while the car is moving, but still.
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