We have already published tutorials on how to create a really cool light effect in Photoshop and GIMP, now In this tutorial, I will show you how to create this super, simple light effect inspired by a design that I saw recently in a Sony advert.

Step 1

Open Pixelmator and create a new document. Select 1440×900 pixels and then fill the layer with #121212.

Creating a Colorful Light Effect with Pixelmator

Step 2

Next, add another layer and select Filter>Generator>Clouds. Set the colors to black and white.

Creating a Colorful Light Effect with Pixelmator

Step 3

Choose options Filter>Blur>Gaussian Blur. Set the Radius to 40.

Creating a Colorful Light Effect with Pixelmator

Step 4

Use the Eraser Tool (E) to delete most of the layer, leaving just a little of the middle. In Blending, select Color Dodge and set the Opacity to 60%.

Creating a Colorful Light Effect with Pixelmator

Step 5

Create a third layer and fill it with black. Then, use the Rectangle Marquee Tool (M), to create a rectangular selection. Fill this with white.

Creating a Colorful Light Effect with Pixelmator

Step 6

Go to Filter>Blur>Gaussian Blur and change the Radius to 25 . Then resize the rectangle by reducing its height in Edit>Free Transform. This should make it thinner along its vertical access (as shown). Change the Blending choice to Color Dodge.

Creating a Colorful Light Effect with Pixelmator

Step 7

Add a new layer and fill it with black. Change the Blending to Color Dodge. Now select a very soft brush with 30-50% Opacity from the Brush Tool (B) options and paint some areas around the length of the rectangle as shown in the image below.

Creating a Colorful Light Effect with Pixelmator

Step 8

Create a new layer on the top of the others and use the Gradient Tool (G) to create a gradient in purple, red, yellow, and green. Fill the layer with this gradient. Change Blending to Multiply, and then set Opacity to 90%.

Creating a Colorful Light Effect with Pixelmator

Step 9

Add a further layer and select Filter>Generator>Stripes. Set the Width to 3 and the Sharpness to 55 . Then change the Opacity to 3% and the Blending to Screen.

Creating a Colorful Light Effect with Pixelmator

Step 10

Select the stripped layer and choose Filter> Distortion> Twirl. Set the Radius at 340 and the Angle at 100 . Then, position the controller over the line as shown in the image below.

Creating a Colorful Light Effect with Pixelmator

Step 11

Repeat the same filter but change both the position of the controller and the Angle to -100.

Creating a Colorful Light Effect with Pixelmator

Conclusion

This is a wonderfully simple technique that creates a beautiful light effect with a very unique texture. It can be achieved in less than 20 minutes with a professional looking outcome. You may wish to experiment with different colors or more than one streak.

Creating a Colorful Light Effect with Pixelmator

Download Pixelmator File

Pixelmator file

About the author of this post

Abduzeedo is a blog about design. There are all sorts of articles for those who want to look for inspiration. Also you will find very useful tutorials for the most used applications out there, with a special selection of Photoshop Tutorials and Illustrator Tutorials. Of course there are other softwares conteplated like Pixelmator, Fireworks, and web design tutorials.