: Color Blending in Photoshop I'm using Photoshop and I'm trying to create a multi-colored background image similar to the one found at http://www.xtorrent.com (the full URL is http://d2aqrl5xrc2ptj.cloudfront.net/images/Main1.jpg)

@Murray664

Actually, you can get this effect using radial gradients and difference layers.

The technique is pretty simple, but you'll need to play around with it to get just the colors you want.


Start with a simple black-to-white linear gradient fill on the bottom layer.
Here you start experimenting, but to replicate what I did, change to a radial gradient and select the blue-red-yellow gradient preset (if you haven't changed your presets, it's the 6th gradient in the first row). If you HAVE changed them, create a new gradient with blue on one side, yellow on the other, and red right in the middle.
On each of three new layers, draw a radial gradient in a random size (not too big), and in random locations.
Change each of these layers' blending mode to DIFFERENCE. You should see the effect now.
By varying the size, shape, and color of the layers, many, many combinations can be achieved.
For the window, a simply created a 10-px rounded rectangle, set an outer glow of blue (to transparent, the default). Changed the size to 24 and the blend mode of the layer effect to difference.






That's it! I hope this helps.

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