The six colors on the color circle (red, orange, yellow, green, blue and purple) are yellow, and red and blue are three primary colors (you can't use other pigments to adjust! ) between every two primary colors, these two primary colors are used next to them! Each color and the opposite color are complementary colors! Tone (gray together! ) Why is it the tone of the picture? What color has a larger distribution area? The bright fill is yellow, and the dark reflection is yellow purple or purple to purple blue to draw the reflection! Conversely, other colors are the same!