Revell Aqua Colour Paint. Aqua Colour Acrylic paints are water based. It can be applied with a paintbrush or airbrush. Once dry, this Aqua Colour Paint dries to a smooth finish, even when applied with a paintbrush, with no brush marks. Revell Aqua Colour Paint is very quick drying, the next coat can be applied after just one hour and is completely dry in 2 to 3 hours.