This movie is all about Hue and Saturation. We are going to start off with this demo file and take a look at how we can use the Hue/Saturation controls in order to make changes to this image. And then next, we'll jump to a photograph and we'll apply what we've learned about these controls to that picture. Well, let's go ahead and navigate to the Adjustments panel and then click on this icon here to open up our Hue/Saturation Adjustments panel. The first thing I want to highlight here is that what you can do is work in different channels or colors.
You can view all of them at once to make changes globally, or you can go into specific colors by making selections here. Let's start off by making a global change. We'll go to Master. We have Hue, Saturation, and Lightness controls. Well, Saturation and Lightness are pretty straightforward. We can either increase or decrease saturation, and then we can either increase or decrease the overall brightness. Well, what about the top one, Hue? Well, Hue is really fascinating. When you click and drag it, it will seem kind of arbitrary.
Why are all these colors changing? What's happening? If you look at this color strip down below, it will give you the key to understanding what's happening here. What it's done is it's taken the green colors you can see on the strip above, it's turned those to blue. Let me show you what I mean. If we click off this Eye icon, you can see what was green here, the top strip is now becoming blue. The bottom strip down below, as I move this slider, you can see how it's remapping the color in this image.
Well, what about making specific adjustments to specific colors? Well, here we could go down to a channel, say, the Reds. By going to the Reds, you'll notice that down below it's showing me some icons. These icons, we'll talk about in a minute, but basically they show me that I'm selecting or going to work with Reds. Now I can then desaturate those Reds, and you can see how it's just affecting this area of the color wheel. Another way that you can make specific adjustments is with this tool.
This is a really powerful and really fun tool. If you click on it, you can go ahead and then click and drag on a color. As I click and drag, you can see I'm controlling the saturation of that color and those colors which are similar to it. If you hold down the Command key on a Mac or Ctrl key on Windows and click and drag, what that allows you to do is it allows you to change the overall hue. Well, if you don't want to use that click and drag functionality, you can always just simply click and then use these controls.
Let's say you want Yellows to become Red, or you could just change them that way by simply modifying the overall hue or the saturation. Well, at this point, I've highlighted a few things. I've highlighted that we can make global adjustments by working on the Master channel. We can make specific adjustments either by jumping to one of these channels or by using this targeted adjustment tool. Let's see how this can actually work with a photograph. Here, I am going to open up a picture.
This is a photograph of a butterfly wing, and I want to modify this picture--in particular just the colors in the center of the wing. I want to make a change to that area first. So we'll click on our Hue/Saturation icon. Next, with the Targeted Adjustment tool selected, we'll go ahead and click on the hue that we want to change. Now how can we be certain that it's just going to affect the orange in this Monarch Butterfly wing and not the background? Well, a great technique that you can use here is to make an exaggerated and bad looking adjustment in order to see what you're modifying, what you're affecting.
Let me show you want I mean. Here, I am going to crank the hue all the way over so now everything is kind of blue, and I am going to increase the saturation. Well, what this is showing me is that it's affecting the background and also the wing. Why is that? Well, if you look below, you'll notice that you have these different icons. Remember, it's showing you that it's remapping these colors. The two center icons are showing you the colors that are most strongly affected. The outer ones are showing you how far it's reaching out into other colors.
So if we move these icons in, as you can see in my image, it's going to start to affect a smaller area of the picture. Here, I am just moving these in until I can see that it's primarily just affecting the wing. Now this adjustment that I've made is really over-exaggerated, but I made that over-exaggerated adjustment in order to focus in on a specific color or tone in my image. In other words, by using these controls, it allowed me to be more specific.
Well, now that I have these specific colors selected, I can then use my controls, say, like my Saturation control or maybe my hue adjustment, and now this adjustment right here, well, it's primarily just affecting the butterfly wing, and you can see how that's happening as I make these different adjustments. So as I make these adjustments, we can then click on the Eye icon that shows me my before and after. I'm able to target just those colors by using those different techniques, and again, it gives me that precise control over this part of the image.
So as you can see here, these Hue/ Saturation controls are good for making global or specific color adjustments.
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