Can the colorful shell on iPhone 5c's come off?

I found a cool case for my 5c but it only looks good with black. Can I take the blue shell off and get a new one or something?

No.

The "shell" isn't like an external phone case, it's the very casing of the phone itself, It can't just be removed.

I don't think so.
But you can get some case which is not clear
http://www.icolorcase.com/3199-iphone-5c-cases
I think this one can help you, as there are really a lot of great cases for iPhone5c.
They offer 5% discount if use a coupon "SPFYF5".

Can you take the blue case off of a iPhone c

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