1, the original hue is mixed, red+yellow = orange, yellow+blue = green, blue+red = purple.

2. Orange, green and purple are three colors, also called idle colors. If you mix the primary colors and idle colors, you can get the following colors: red+orange = red orange, red+purple = red purple, yellow+orange = yellow orange, yellow+green = yellow-green blue+purple = cyan, and blue+green = cyan.

Black and white are called polar colors, which are two diametrically opposite pigments. Of course, black and white is completely ok, and color patterns also depend on it to reconcile. When black and white are mixed together, it becomes dark gray, and the lighter one becomes light gray.