![]() Much like a painter mixes colors to create all the other colors we see in the final masterpiece, Photoshop mixes colors to produce all the other colors we see in our images. I'll keep things short and simple here, but if you want to learn more about color channels, be sure to check out our full RGB And Color Channels In Photoshop tutorial. And to understand how the Auto commands work, we need to know a little something about Photoshop's color channels. Or why, say, Auto Tone worked better with this image yet Auto Color worked best with a different image. How Auto Contrast, Auto Tone And Auto Color WorkÄ®ven though I mentioned earlier that we don't really need to know how the Auto commands work in order to use them, a little knowledge of what's going on behind the scenes can help us understand why one of the three commands gave us better results than the others. This image suffers from a couple of obvious problems it's low-contrast, and it has a greenish color cast: Here's a photo I snapped one weekend at a roadside market. Let's see how they work, and how to easily compare the results that each of the three commands gives us.Äownload this tutorial as a print-ready PDF! ![]() Photoshop's three Auto commands are best suited for those less-important images you don't want to spend a lot of time retouching the ones where "good enough" is, well, good enough. If we try them and like how our image looks afterwards, great! If not, then we need to turn to something better, like the Levels or Curves commands (which I'll be covering in detail in other tutorials). Yet while speed and ease of use are what make them so popular, the downsides with these commands are that they offer only the most basic of image corrections and they're completely automatic, with no options or controls for fine-tuning or improving on the results. In fact, you don't need to know anything about how these commands work to get decent results when it comes to improving overall contrast or removing an unwanted color cast. What makes them so popular is that they're just so darn quick and easy to use. Now, before we begin, it's important to note here that as with many things in life, what's "popular" isn't necessarily what's best, and the Auto Tone, Auto Contrast and Auto Color commands are no exceptions. In this first tutorial, we'll start things off with a look at three of Photoshop's simplest, most popular and widely-used commands for correcting tonal problems and color casts in an image - Auto Tone, Auto Contrast and Auto Color. We'll learn the importance of knowing how to read and work with histograms, and how Photoshop's Red, Green and Blue color channels work to reproduce the millions of possible colors in our images! We'll be learning how to adjust colors with Color Balance, Hue/Saturation and Vibrance, how to warm up or cool down an image with a Photo Filter adjustment, how to do much (and possibly all) of this work in Camera Raw without even touching Photoshop, and so much more! In this series of tutorials, we'll learn various ways to fix tone and color problems in our images with Photoshop! Some of the essential topics we'll be covering include how to correct overall brightness and contrast problems with Photoshop's Levels and Curves commands (as well as the aptly-named Brightness/Contrast command), how to gain more control and flexibility with adjustment layers, and how to target specific problem areas in a photo with layer masks! ![]()
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