Naturally occurring primary colours

Have not done one of these in a while.
No more Photoshopping. The Irish weather is the great desaturator.

We've scored a new patch of tarmacadam on George's street.
It comes with double yellow lines pre-painted on it.
The process was patented by the guy who invented the toothpaste tubes that deliver tricolour striped toothpaste (I'm not getting any commission from Aquafresh so I won't mention them. Oops)