Koi watercolors are smooth, creamy and instantly responsive to water. The selected pigments used in these paints give professional results and outstanding vibrant colors. The 12-color set includes lemon yellow, deep yellow, yellow ochre, yellow green, burnt sienna, vermilion hue, carmine, viridian hue, cobalt blue hue, Prussian blue, ivory black and Chinese white. The 18-color set includes Van Dyke brown, ultramarine, purple, deep green, pale orange, cerulean blue, lemon yellow, yellow ochre, deep yellow, burnt sienna, vermillion hue, carmine, yellow green, viridian hue, cobalt blue, Prussian blue, ivory black and Chinese white. In 12cc tubes.