Fill the image with black color. Go to [Filter -> Render -> Different Clouds].
Convert to Smart Object.
Go to [Image -> Adjustments -> Invert].
Go to [Image -> Adjustments -> Levels].
Add a Brightness/Contrast adjustment layer. Please match my settings.
Right click the layer and select New Smart Object via Copy.
Change the Hue/Saturation color like this.
Adjust the levels.
[Control + T] to rotate the image. Set the layer’s blend mode to Lighten.
This is the end of the tutorial. 🙂