Van Gogh works and complementary colors

Quick answer：

Complementary colors in Van Gogh's works refer to the use of colors that are opposite each other on the color wheel. These colors create a striking contrast and can enhance the intensity and emotion of his paintings. Notable examples include the use of red and green, blue and orange, and yellow and purple. Van Gogh's choice of complementary colors often contributed to the vibrant and expressive nature of his artwork.