How to edit the colour of images on Photoshop

Step 1

First of all, I opened Photoshop and went to File- Open. Then I selected the image I wanted to edit.

Step 2

Secondly, I went to Image- Adjustments- Gradient Map.

Step 3

I would then click on the bar and it will bring up a Gradient Editor and select on the colours provided. I chose Blue, Red and Yellow.

Step 4

Then i would play around with the colour bar until i got the right colour scheme for me.

Step 5

Finally, I would click Ok on everything to revealed my finished piece.

I would use this process for many of my other photos featured in my work.