SEE Matisse Background Paints & Art Spectrum Colourfix Primer for two brands of coloured primers which have a velvety matt finish. They can be used as a base colour under your normal painting style or as a contrast to glossy paint. They are really good for underpainting murals and are suitable for interior & exterior artwork.
Matisse - Fluid Formula
Matisse Fluid Formula has a smooth, runny but slightly dense viscosity. They are highly pigmented and appear intense & dark initially, & are completely opaque when used directly from the bottle. The intensity of colour is what makes Fluid ideal for tinting.
If you add Fluid drop-by-drop to any Matisse paint, the precise ratio of tint to paint can be repeated. Fluid is completely compatible with all Matisse Paints.