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.
Underpainting White (Fast Drying) contains a combination of titanium and zinc pigments. It is an opaque fast drying white with texture, which allows other layers of colour to adhere to it easily...
