Winsor & Newton Galeria Acrylic Colour Tube Set. Winsor & Newton Acrylic Colour Tube Set, 10 colours, 20ml per tube. £21.00 Quantity: at £21.00 each Add To Basket Winsor & Newton Acrylic Colour Tube Set, 10 colours, 20ml per tube. Acrylic with high pigment strength, opacity and permanence for professional results. Great versatility - can be used on a wide variety of surfaces. The colours can be used directly from the tube or diluted. All colours within this set can be mixed to create a wider choice of colours.