First of all, how is it pronounced?  “Go-wash” is a fair approximation. Everyone is welcome to a free demonstration by June ...

Gouache paint is often called designers' gouache or opaque watercolour as it can be used like watercolour but is not transparent. It is opaque, dries quickly and produces a matt finish.

Gouache paint is often called designers' gouache or opaque watercolour as it can be used like watercolour but is not transparent. It is opaque, dries quickly and produces a matt finish.