Photoshop uses paint brushes and filters to quickly create a dreamy spot background-PS tutorial

It is very fast to use a paint brush to make a spot. you only need to set some parameters in the paint preset. then, you can obtain the initial spot by applying the parameters on the canvas, later, you can adjust the paint brush size, opacity, color, and so on to obtain a more layered spot. it is very fast to use a paint brush to make the spot. you only need to set some parameters in the paint brush preset; then, you can obtain the initial spot by applying it to the canvas. later, you can adjust the paint brush size, opacity, and color to obtain a more layered spot. you can also use a filter to blur the local spot, and use the layer style to add light and so on, to get a more dreamy effect.
Final effect