[header] How to get paint out of jeans [title] Add warm water to the stained area. [step] Because water-based paints are soluble with water, they're often quite a bit easier to fix than their oil-based counterparts. The first thing to do in the case of a water-based paint stain is to add some warm water to the affected area. 
Dab a washcloth in some warm water and press it gently against the stain, letting the warm water soak into the jeans fabric. [title] Treat the stain with detergent and warm water.