What kind of paint?
If chalk paint, here's a recipe:
Hi Megan. Here is a post with a recipe for chalk style paint... https://www.hometalk.com/37878819/make-your-own-chalk-paint-recipe
Megan, would you please be a little more specific so I can help you? What kind of paint do you want or what type of project will you use it for?
You didn't really tell us much. I'm not sure what kind of paints you need to know how to make. I hope this recipe helps...
Making Watercolor Paint