This tutorial teaches you how to create a rainbow in a few steps using gradient presets in Photoshop CS.

Step 1

Open an image in photoshop.Create a new layer from layers panel.

Step 2

Select the new layer, click on the Gradient tool on the tool bar. Then the gradientproperties appears. as in the snapshot given below. Give same settings as in this. Then click on the gradient image, here marked with red.

The Gradient Editor will be displayed as this

Step 3

From the presets, select the sixth colored box on the second row (marked in black). Below you can see the colored bar with pencil icons (tab stops).

Step 4

Adjust these color tabs. You may reduce the width and opacity. Try with different tab stops then you will get an idea about each tab stop. You can also remove any tab stop by draging out of the window.

Step 5

Click on the bottom border of the rectangle to create a new tab stop, and give orange color to that. By clicking on this color tab stop you can change the color. Drag all the colors to the right side.

Step 6

The settings will be look like this after the changes.

Step 7

Once its over, click OK. You can see this gradient in the gradientproperties bar

Step 8

From the gradient properties select the radial gradient, place the cursor at the top right corner and drag diagonally to the bottom left corner of the image.

Step 9

Change the opacity to 30% in the layer panle. Then you can erase if any part of the rainbow appears unwanted area by using the eraser tool.

Step 10

Done! Here is the picture with a rainbow!