Van Gogh wrote Sunflowers, one of his most famous works, in the small town of Aarhus in the south of France. In the painting, a dozen bunches of sunflowers are simply inserted in vases, showing the brilliance of people, symbolizing the life with primitive impulse tension. Van Gogh also painted with repainted strokes, as if he had painted clay on a relief, and its bright colors gave people a feeling of sunshine. From the perspective of chromatics, yellow has the characteristics of lightness, brightness, boldness and extroversion, which symbolizes peace and tranquility and conveys the information of sunshine, vitality and joy.

In van Gogh's view, yellow represents the sun, and sunshine symbolizes love. Therefore, this highly vital Sunflower is like a portrayal of Van Gogh's fiery heart. Indeed, Van Gogh loved life with infinite enthusiasm. He thinks life is full of sunshine and hope.

Psychologists have studied color and people's mental health. The results show that yellow symbolizes light and can make people feel happy and full of joy. This is because yellow is the most reflective of all colors, so it can stimulate and enhance vitality. Yellow is related to happiness and can play a role in relaxing bowels and diuresis. Yellow can also stimulate the brain, liver and spleen. Yellow has a good effect in treating diabetes, dyspepsia, liver and kidney dysfunction, constipation, eye and throat inflammation, impotence and so on. Besides, orange symbolizes prosperity and pride, and is the embodiment of strength, wisdom, shock, brilliance and knowledge. Thus, orange has always been presented as a sacred color (such as gold, crown, etc.). ). This is because oranges can catalyze blood circulation and play a significant role in treating nephropathy, gallstones, hernia, appendicitis and so on. Orange can also increase immunity, sexual ability and pulse, help treat all digestive system diseases, chest and kidney diseases and stimulate postpartum lactation.

Therefore, Van Gogh likes yellow, which has rich psychological meaning.