In this tutorial I will teach you about duotones and how to use them. This technique is great for many things, so I know you will find this tutorial helpful and interesting.
To start out, grab a photo that you would like to duotone. Any photo will do. I am just using one of my personal stock photos.
Now to create a duotone go to Image> Mode> Grayscale. Click yes to any question that may come up.
Now go to Image > Mode > Duotones.
Now you can either pick Monotone, Duotone, Tritone, or Quadtone. I picked Quadtone. Pick whatever colors you like as well. Then accept whenever you have it the way you like.
It looks kind of cool but letâ€™s say you donâ€™t like the way it turned out. Then use gradient maps to soften the coloring, or add to the coloring. For this I am going to use a purple â€“ orange gradient map. But first, we have to change our picture back to RGB coloring. So go to Image> Mode> RGB coloring. Now go to your gradient maps area and pick a gradient I am using this:
Now I set my gradient map on screen on 50% opacity. Now my picture is lightened a lot:
Now letâ€™s say I want it darker, instead of lighter. What I am going to do is take the exact same gradient and set it on vivid light on 75% opacity.
With just duotoning and a gradient map I created a pretty cool sunset picture.
Okay so know I opened up a new photo. This is the photo Iâ€™m using:
That is another stock photo of mine. I am applying a simple blue-ish gray duotone. You can apply whatever duotone you would like.
Then add a gradient like this:
And look at that. Add a couple textures or something and you could have yourself a great horror/macabre photo manipulation.
So as you see through duotoning you can create great photos and duotoning will help further your abilities on what you can do in photoshop.