For example, blue

The ceiling must be prepared for staining. Depending on its condition, it will be enough to either simply wipe it with a damp sponge and wait for its complete drying, or you will have to primer and put up the surface. The process of drawing clouds on the ceiling itself is simple — it is enough to mix colors in certain quantities to get one or another shade. For example, blue can be obtained by mixing white and blue. The common background is best applied with a roller, a wide brush or spray gun — by the way. With the help of the latter it will be not only faster, but also much more easier and more economical.