› Make-Brown3 Ways to Make Brown from Primary Colors - wikiHow May 19, 2021 · Mix together red and yellow to make orange. Start with a liberal amount of red. Then, add your yellow a little at a time—aim for a 1-1 ratio. Blend the two colors as you go until you end up with a deep orange. In order for your brown to turn out sufficiently dark, you may need to use a hint more red than yellow.