The basic colors of spraying paint for agricultural machinery and tools are red, yellow, blue, white, black and purple, which can complete the color matching of various colors of paint. 1.Gray paint, white paint and black paint, and mix well. The depth of gray paint mainly depends on the amount of black paint added. By changing the amount of black paint added, you can adjust the colors of light gray, medium gray, dark gray and black gray respectively. 2. Green paint, yellow paint and deep blue, and mix well. The depth of green paint mainly depends on the amount of dark blue paint. By changing the amount of dark blue paint, dark green, medium green and grass green paints can be adjusted respectively. 3. Light green paint: white paint and medium green paint are mixed and evenly mixed. By changing the amount of medium green paint, apple green and grass green paints can be adjusted. 4. Pale yellow paint: white paint and yellow paint are mixed and mixed. 5. Chrysanthemum yellow paint: mix yellow paint with red paint and mix well. 6. Pigliver color paint: first, use red paint and black paint to make brown paint, and then get pig liver color paint (also known as bakelite color paint). 7. Grass green paint: first, use yellow paint to deepen the blue and turn it into dark green paint, which is grass green paint.