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Learning how to use Adobe Photoshop efficiently and effectively is the best way to get the most out of your pixels and create stunning imagery. Master the fundamentals of this program with Julieanne Kost, and discover how to achieve the results you want with Photoshop and its companion programs, Bridge and Camera Raw. This comprehensive course covers nondestructive editing techniques using layers, masking, adjustment layers, blend modes, and Smart Objects. Find out how to perform common editing tasks, including lens correction, cropping and straightening, color and tonal adjustments, noise reduction, shadow and highlight detail recovery, sharpening, and retouching. Julieanne also shows how to achieve more creative effects with filters, layer effects, illustrative type, and the Photomerge command for creating panoramas and composites.
Getting rid of a color cast is another common problem that can be easily fixed in Camera Raw. Let's take a look at this steel door image. I'll open it by using command R or control R on Windows. You can get a color cast in an image for a variety of different reasons. Maybe you've got the settings on your camera set incorrectly. Or maybe you're photographing indoors under artificial light, or maybe outdoors in early morning, when the light is a lot warmer than during the day. Now there are several different ways that we can correct a color cast.
We're actually going to look at 3 different ways. The first way is over in the basic panel, under White Balance, you'll notice that I can change this menu from As Shot to Auto, in order for Camera Raw to do an automatic adjustment, and reduce any color cast. One thing to notice is that if you're working along using your own raw files, you're probably going to see a much longer list than if you're working with a Jpeg file like we are. Here we only have the auto and the custom option here to choose from. If you have a raw file, you're going to see a list of presets for common color temperature lighting scenarios, and that list will depend on your camera, but most of them include options like daylight, and cloudy, or shade and tungsten, and you can choose any of those when you're working with your raw files and change the white balance of your image in a non destructive manner. Now, the second way that we can remove a color cast is by dragging the temperature and tint sliders.
If I drag the temperature slider over to the right, you can see that the image warms up, or it gets more yellow. If I drag it down to the left, you can see that I'm cooling the image, or moving it more towards blue. With the Tint Sliders, as I move it more to the left, you can see that it's going to become more green. And as I move it to the right, more magenta. Alright lets go ahead and reset those to Auto, and then I'll choose to move up the temperature slider just a little bit, to show you that not only can you fix or neutralize the color cast in the image. But you can also add a creative effect by actually warming or cooling your image to convey a specific mood.
Another difference that I just want to point out when you're working with JPEG files versus Raw files. When you work with JPEGS, you actually get a numeric scale here in the Temperature and Tints sliders. And they go from -100 to +100. If you're working with a Raw file, what you'll see here instead are actual color temperature values. Alright, let's choose As Shot one more time here and take a look at the third way that we can neutralize a color cast. And that's with the eyedropper tool.
We can either select here from the Toolbar, or just tab the I key in order to select the eyedropper. Now all I need to do is click in a neutral area in my image. If I think that the steel doors should be neutral, I'll click in there. If I think that this gray ramp should be neutral, I'll click here. And if I think that the cobblestones should be neutral, I'll click in the cobblestones. And you can see that each place that I selected actually gave me quite a different result. So when you're using this tool and there's nothing in your scene that's a known neutral value, you're sort of guessing, but at least you can make an educated guess.
And of course you can click multiple times in order to experiment. So I prefer the color balance here when I click on the door, I just think that it's a little bit too magenta. So I'm going to scoot the tint slider over to the left just a small bit. Excellent. So now you have 3 simple ways to remove a color cast form an image, either by selecting a white balance from the list, from manually changing the temperature and tint sliders, or from using the white balance eyedropper and clicking anywhere in your image that you think should be a neutral value.
Well click done and you can see that Bridge has automatically updated that thumbnail for us.
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