Just found out that the tip at Enders takes part used paint.
Will get that sorted soon as the racks in the garage looks like .the paint aisle at B&Q.
When volunteering on The Welshpool and Llanfair preserved railway as a teenager I once spent two very happy weeks alone in the carriage shed, painting a carriage with a big pot of what was essentially all the leftovers mixed together. For those who may have visited the railway, this is why the 'mess coach' was mostly dark green for about a decade.
Bearing in mind what was poured into the big pot, dark green was probably the best possible outcome.
Useless extra information: I painted the buffer beam red, but several people of a certain mindset got quite uppity about this as "only
locomotives have red buffer beams". Someone was upset enough to paint it black a few weeks later, which is why there are a couple of images of the carriage with a red buffer beam but most show it black.