"The Bavarian Don Giovanni" a 2D form smooth texture drawing art by Paul Klee. The first time I saw this I  was be attracted by those hue. It is colorful ( all three Primacy color, secondnary color and complementary yellow, red, blue, green, orange, and purple). Repetition triangles with different colors. This drawing all connect by lines. Because many colors, so the background display a bright light.