First we start with making a new document of 400x400 px.
Now select the "Gradient" tool.



Now put the mode on "Difference".



Start with one layer. ( Just move you mouse over the screen while clicking )


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Now mix a bit and play with the tool.



After a few clicks you get this.



Now we are gonna give it a color , press ctrl + U .



Now choose your color , i've chosen red.



Tutorial written : Alientjuh.
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