Dude you actually have to post the pictures for us to answer the questions...
Well Rembrandt built up colors and textures in his paintings through the use of layering (also sometimes used multi-layers) and also some of the paintings were thick, he used a strategy called "IMPASTO"
1,4 describes the location of the playground, if im wrong oh well
I don't know what u mean by primary purpose light colors but if you just asking for primary colors these are the only ones.
