Several other Hometalk members have painted a couch so here's the link to look at what they did. I hope it inspires you for your project. :) Wishing you the best.
Hi Sharon! What material is the couch? Here’s a tutorial for you. https://www.happinessishomemade.net/diy-painted-sofa-couch/
Most people use watered down chalk paint. Keep in mind that the texture will change.
Hi Sharon, here is how we painted one in the shop https://www.homeroad.net/2015/06/glamorous-chalk-painted-fabric-chaise.html