Many artists always like to take all kinds of daily objects and piece together mosaic-style patterns according to the depth of color, allowing people to see their persistence in color and creation. British artist Nick Smiths series of works, Psycolourgy, uses Pantone color cards to arrange and collage masterpieces such as Van Goghs Self-Portrait, Johannes Vermeers Girl with a Pearl Earring, and Da Vincis Mona Lisas Smile. Although the texture of the picture arranged by the square color cards looks like a low-resolution picture and cannot compare with the delicate strokes of the brush, from a distance, the lines and lines of the original work are still vividly depicted. contour.