Originally Posted by
TugaDude
Uu
Not saying that is how the effect you describe is achieved, but it is not correct to say that paint with standard pigments is necessarily opaque.
That's a good point, T-dude. And having a whole box of artist's oil colors downstairs, I should have remembered that. Some are a lot less opaque than others. And some are nearly transparent. Phthalo blues and greens comes to mind.
The copper color Wilier uses intrigues me. Wonder what they used….