Easy Plaid Background
Open a new image:
300 x 300 pixels
Image characteristics: Raster Layer
Color depth: 16 million
Flood fill with Blue Metallic Gradient:
Add a new raster layer and flood fill it again with the Blue Metallic but changing its angle to 90.
Lower the transparency on Raster 1 to about 60; and Raster 2 to about 40, as follows:
Select your selection tool click then the custom selection button on the selection bar and enter the following settings:
Click OK to close the custom selection dialog box.
Select Image/Crop to Selection (Ctrl + R). You now have a 100x100 pixel image with two layers.
Copy your original image (Shift +D). Highlight (make active) Layer1. Select Colors from the dropdown menu and play with the settings. When you're happy with the color click OK. Below is the plaid I made.