Terra Rosa is a warm, brownish red colour. It is an earth pigment, and is also known as Bole. Bole stems from the Latin bōlus meaning lump of earth. It is an opaque and permanent 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.
Iridescent White is a semi-opaque pearlescent white colour. The pearlescent effect is most effective when mixed with transparent colours and even more effective laid over a dark background...
Vandyke Brown is a brown pigment named after the Flemish painter Van Dyke who used it in many of his paintings. It is an earth pigment, and is often used for shading.
