sign on ccs

What colour is the neon lit sign? Anybody know cos last night it was lit up blue.i pass it on way home from penarth and its always been red??

What colour is the neon lit sign? Anybody know cos last night it was lit up blue.i pass it on way home from penarth and its always been red??

it alternates..

Thanks.was confused as have only seen it lit up red!

It goes from blue to red every 30 seconds or so I think.

I am waiting for it to stop changing from red one day though!