This is a set of 15ml tubes of M. Graham Artist Watercolours contains the following colours: Nickel Quinacridone, Quinacridone Red, Quinacridone Rose, Quinacridone Rust, Quinacridone Violet. The Quinacridone quintet watercolour set includes a selection of the main colours which are made from quinacridone and use honey as a binder for richer colours and to prevent hardening.