The color range command is great when you want to create a selection based on specific color values within the image. But what about a situation where you only want to select a portion of those color values? For example, with this image. Let's assume that I want to create a selection of this blue sticker. That means I could create a selection based on the blue color. But if I only want this sticker included in the selection, not the other blue stickers, is color range still a good solution? Well the answer is yes, it actually is a great solution. Thanks to an option that allows us to focus that color range in a specific area.
Let's take a look. I'll make sure that the background layer is active. In this case, it's the only layer, so I don't need to worry about that, and then I'll choose from the Select menu > Color Range. That will bring up the Color Range dialog. The default selection is based on the foreground color. So at the moment I have a selection of the dark areas of the image essentially. I'll reduce the fuzziness setting to a more moderate value. And then I can simply click inside the blue sticker that I want to select. And for this technique it's very important that I only sample within the actual area that I want to select.
In other words I'm going to click inside this blue sticker. Not any of the other blue stickers. I have my preview options set to gray scale so that I can see the actual effect. The white areas are selected and the black areas are not selected. And so I obviously need to sample some additional blue colors. I'll switch to the plus eyedropper. And then click and drag within this blue sticker. In order to create a selection based on the range of blue colors that are found within that sticker. Of course you'll notice that I'm also getting a selection of other portions of the image.
Specifically the other blue stickers that are found throughout the image. So how am I going to remove those areas from the selection? Well, with the color range command it's actually quite easy. I've only been sampling inside the blue sticker that I want to select. And so now I can turn on the localized color clusters option in order to focus my selection on only the area that I've sampled. That will activate the range option and I can reduce that range to focus a spotlight, as it were, on just the particular areas that I was sampling.
And that will cause the selection to focus in only on that one sticker in this case. So by making sure that I'm only sampling in the specific area of the image that I actually want to create a selection for, I can utilize that localized color clusters check box, and the range slider, in order to focus that selection into not just a specific color range, but a specific color range in a particular area of the photo. And as you can see, it works quite nicely. I'll go ahead and click the OK button, and now I have a selection of just the blue areas of that one sticker.
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