Winsor & Newton Professional Watercolors are professional grade watercolor paints made with maximum pigment content to achieve the highest tinting strength. These non-cadmium watercolors offer the same performance, vibrancy, and lightfastness as cadmium paints. With Winsor & Newton Cadmium-Free Colors you no longer have to risk your health or bad art. Offering the brightness, color strength, and opacity you expect from cadmium paints all while being safer for you, this 5ml tube of Cadmium-Free Yellow is the ideal way to add color and vibrancy to your artwork.