![]() ![]() These differences in brightness values mean that color can have a huge impact on the tonal range of your image. Yellows, for example, are typically very light blues are much darker. ![]() That's because, even though we don't always think of color as being anything more than, well, color, every color in your image has its own brightness level. Histograms work equally well, and are equally important, with full color photos. It's important to note here that even though we're talking about brightness levels, we're not just talking about black and white (grayscale) images. A histogram shows us how much of the image is currently pure black, how much is currently pure white, and how much of it falls somewhere in between. By tonal range, I mean the range of brightness levels in the image. A histogram is a graph that shows us the current tonal range of an image so we can evaluate it and, if necessary, correct it. It's also very important stuff if you're serious about your images (and if you're reading this, it's a safe bet that you are). Now, I know, as soon as I mention the word "graph", some people will want to take a nap, but I promise you, this is easy stuff. So, what exactly is a histogram? Quite simply, a histogram is a graph. ![]() In the world of photography and photo editing, histograms are everywhere! Many digital cameras today also include a handy histogram feature. ![]() You'll find histograms in lots of other image editing programs as well, like Adobe Lightroom, Photoshop Elements, and Photoshop's own Camera Raw plugin. In fact, histograms are so valuable, they're not limited to just Photoshop. One of the most valuable tools we have when editing and correcting images in Photoshop is the histogram. ![]()
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