I’ve used two parts acrylic paint to 1 part craft medium. This makes your finished project soft, washable and permanent. Keeps the colors bright, and doesn’t chip or peel as if you were using regular acrylic paint.
The best information on painting cabinets that I have found so far! This post was recommended by a contractor. Evolution of Style: How to Paint Your Kitchen Cabinets (like a pro). A really good informative post.