If you are looking for answers to the query as to -how to make brown paint, then for that, you will require a concoction of complementary colors. So, you can start off by blending the red and green shades or even the yellow and purple hues. You will get the same result by fusing the orange and blue shades. However, make sure that the shades are combined in equal parts. If you want to keep it lighter or go deeper - then you will have to go in for a couple of additional tinges.