Static speed cameras have never had to be painted in bright colours. It's only Safety Camera Partnership cameras do. If you are on the A57 on the Manchester side of Glossop, for instance on Mottram Moor (steep hill) you are in Tameside as you also are on the A628 for a while towards Barnsley.not anymore they don't, go have a look at the ones painted green in the bushes on the A57 through Glossop. Right through there are markings on the kerbs so that you can't look out for markings on the road to know where the cameras are.
Tameside have some non-SCP cameras that are black, dark green or navy blue. They also have some called "Watchman" cameras that are not for enforcement but if the same cars break the limit repeatedly at that site the Council will request the Police to use a mobile camera to catch the offending motorist.