paper: CANSON 300g / ㎡ cold pressed brushes: Raphael KOLINSKY GOLD, HWAHONG 600 greenish yellow & sap green mineral violet marine blue, ultramarine deep, Indigo Permanent Red & Opera some Vermilion By controlling the amount of water, it expresses the change in the concentration of the paint. As it goes outward, it tries various color changes. The more water, the lower the saturation. Changes in saturation are expressed in terms of thickness and distance. The direction of the brush touch reflects the movement of the object. Position colors in complementary colors appropriately.