From the course: Photoshop Masking and Compositing: Fundamentals
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A practical application of Lab - Photoshop Tutorial
From the course: Photoshop Masking and Compositing: Fundamentals
A practical application of Lab
In this exercise, I'll give you a sense for a practical and unique application for the lab color mode. Specifically, we'll dramatically enhance the saturation of the colors inside this image. I've gone ahead and saved out this file as Lab variation.tif and note that even though this image contains no layers, I went ahead and saved it out as a TIFF file instead of a JPEG, because lab is not compatible with JPEG. Also worth noting, I still have my mask you can save masks along with the TIFF file, but you cannot save them with JPEGs. All right, I'm going to switch over to the Layers panel and press and hold the Alt key, or the Option key on the Mac and then click that Black White icon at the bottom of the panel and choose the Levels command. If you loaded my Deke keys, I've also given you a shortcut for creating a new levels adjustment layer which is Ctrl+ Shift+L, or Command+Shift+L on the Mac. And I'm going to call this layer saturation boost and click OK. Now notice, here inside the…
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Contents
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The Masks and Channels panels4m 48s
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How color channels work7m 7s
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Viewing channels in color3m 24s
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How RGB works4m 12s
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Single-channel grayscale5m 12s
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Mixing a custom "fourth" channel5m 15s
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The other three-channel mode: Lab5m 45s
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A practical application of Lab4m 55s
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The final color mode: CMYK7m 6s
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Introducing the Multichannel mode5m 56s
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Creating a unique multichannel effect5m 18s
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(Locked)
The channel is the origin of masking1m 54s
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