This tutorial will teach you how to create interesting and modern wallpaper. Create a new file having
1280x1024 px and
72 dpi. Select the
Rectangle Tool (U) to represent the background for the picture to be next.
Fill 0% on the layers.
Blending Options-Gradient Overlay
Gradient’s parameters:

Next we have to apply the
Pen Tool (P) to draw an ornament’s element having the color indicated here –
E87223.
Blending Options-Gradient Overlay
Gradient’s parameters: 
Make three copies of this new made layer and apply the
Free Transform option to make the necessary corrections on the copies’ size and change their colors. The blue one –
5BABFF: