In the Swatches pallet, select the color red. Then, press Alt+Backspace and it should fill the selection with a solid red color.


Open the Select menu and select Inverse. This will inverse the selection so that the other half of the canvas is selected. Select the color green from the Swatches pallet and press Alt+Backspace to fill the other half with green.

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In the Layers pallet, click on the eye icon for Layer 1 to hide the layer. Click on the Background layer to activate it.

Open the Image> Adjustments menu and select Match Color. This will bring up the Match Color tool which will alter the color of the image based on the layer with the red and green color we created.

First, select the document name of your photo in the source and then select Layer 1 as the layer.

A live preview of the effect should be shown. Adjust the Image Options to alter the effect.



To create this effect, simply invert Layer 1 before using the Match Color tool.