Board Thread:General Discussion/@comment-24261123-20140331225252/@comment-679780-20140401121538

http://www.tssznews.com/2014/04/01/sonic-boom-to-receive-design-tweaks-based-on-feedback/

Turns out the reason why Sonic Boom cuolourisation is different to original Sonics was because of an error and Red Button has now promtly fixed the matter.