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In this Photoshop for Designers course, Nigel French focuses on the tools and features in Photoshop designed for choosing, applying, and editing color. The course looks at concepts such as the color wheel and color harmonies as well as the practicalities of using the Color Picker, leveraging the power of color channels, and the characteristics of different color modes in Photoshop. The course includes exercises on correcting color, enhancing color, shifting and replacing colors, working with spot color channels, hand coloring black and white images, and designing with a reduced color palette.
Sometimes when you want to affect a particular color in an image, it's unnecessary to first select it. You can target that color using Hue/Saturation. I am going to come and apply Hue/ Saturation as an adjustment layer; it's always preferable to do this nondestructively. So I am doing it here rather than here. And then I am going to identify the cause that I wish to change. Before I do that though, I just want to point out that Hue/Saturation uses the same color model as Photoshop's Color Picker; Hue to affect the color, Saturation to affect the intensity of the color, and Lightness to affect the Brightness or the value of the color.
So we're off to affecting the Reds in this image, I would like to change the color of this telephone box. And I can do this in a couple of different ways. Because the Reds are so distinctly red, I could just come and choose Reds and then move the Hue Slider, but I might get a better result if I first of all choose my Eyedropper and let Photoshop know exactly what Reds I mean, because color is a very subjective thing. So I can get this Eyedropper and then just click on it, and as I do so you may see these color bars down here on my Color Spectrum just shift ever so slightly.
And what these are reflecting are the colors that are about to be affected by what I am going to do next. Between here and here, the colors are going to be completely affected, and then we have a drop-off from here to here, where they're only partially affected, and from here to here, where they're only partially affected. That's one way of doing it, or I could use the Targeted Adjustment tool. Same difference really, I actually prefer to do it the way I have just done it, which is the older way of doing things. I find the Targeted Adjustment tool not quite to my liking.
Anyway, having targeted the colors, all I do now is move the Hue Slider and we have a purple telephone box, as simple as that. The other colors in the image don't shift, because there are no other Reds in the image. Not entirely true. If we look at the chimneypots up here, they are red, and they are shifting a bit, but does it matter? Well, not really, I don't think. But if they were other Reds, then they would be affected. So let's take a look at a slightly more complicated example. Let's say I want to give this houseboat a paint job.
Well, I can come to my Hue/ Saturation Slider and this time I will use the Targeted Adjustment, I will click on that. And I will then click to identify the colors that I am interested in shifting, and it's the Yellows, they are identified as such, and there is the range of colors that I am about to affect. And now, if I just drag to the right I increase the Saturation, drag to the left I decrease the Saturation, but I am after affecting the Hue, so I hold down the Command key or the Ctrl key and drag to the right or to the left.
And I am going to go to the left. I think I would like an orange houseboat. And of course the problem is that, yes, I get an orange houseboat, but I also get orange daffodils. So this is a slightly more complicated example and this is going to involve the intervention of a layer mask. We already have a layer mask here. It comes with the Hue/ Saturation adjustment layer. I am going to now fill this with black. Black is currently, in my case, my Background Color, so I am going to press X to make it my Foreground Color, press Alt or Option and my Backspace/Delete key to fill my layer mask with Black, effectively invalidating in my previous change.
I am now going to press B to choose a Brush tool and if necessary adjust the size of my brush, and make sure that White is my foreground color. And now, without needing to be particularly accurate, I am going to paint over my houseboat so that I restore the effect of that Hue/Saturation adjustment. And the reason I can be relatively sloppy here is because the areas that I am painting over, the white of the paint trim and the door, they don't have any Yellows or negligible Yellows in them to shift, so they are not going to be affected by this Hue/ Saturation adjustment layer anyway.
It's just the daffodils really in the foreground and the hull of this yacht here that would be slightly affected. So I can just paint over this general area to get the result that I want. And now that that's in place, I can update my color scheme to my heart's desire. So using this mask I can just come back to my Hue/Saturation adjustment layer and I can move one way or the other, and we can have a different paint job every day of the week and it's only going to affect the houseboat itself.
So the takeaway message here is that sometimes you don't need to select your colors by area using your Selection tools, but rather you can target them by color.
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