Primary Yellow is a bright yellow gouache colour. It is one of the basic primary colours. It is based on the high tinting strength Quinophthalone yellow pigment.
Primary Blue is a bright blue gouache colour. It is one of the basic primary colours. It is an opaque colour based on the intense blue phthalocyanine pigment.
Venetian Red is an opaque deep red colour. An earth pigment, it was called Venetian Red after the quarry near Venice where the painter Titian sourced his earth reds.
