Do you want to paint something ceramic? Can you elaborate?
Use spray paint. You can buy spray paint that adheres to all kinds of surfaces. Check with your local home improvement store.
I would look int Donna Dewberry tutorials. She uses one stroke to make flower petals and leaves that are similar to antique flower paintings on old pitcher and bowl sets. https://plaidonline.com/blog/january-2014/learn-to-paint-with-donna-dewberry