Learn a bunch of creative effects you can apply using three simple checkboxes. My favorite use is to light an object from three different angles and then combine the three images into a colorful result.
How To Use RGB and LAB Numbers in Adobe Lightroom Classic
Just below the histogram in Lightroom Classic’s Develop module are a set of three numbers that can be useful when optimizing your images. Let’s explore how I use those numbers when evaluating images before processing, when color correcting images and when I need to match the color between two areas. I’ll also attempt to explain the difference between RGB and LAB settings, how to switch between them, and when one option is more useful than the other.
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Use LAB Numbers To Match Color of Two Areas in Adobe Lightroom Classic
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Learn to take the guesswork out of matching colors by using the numbers that appear below the histogram in Lightroom Classic. In this case, I’ll match two different colored bricks on a building, but you could just as easily use this for all sorts of other purposes.
Learn how to match the colors of one object to another by matching HSB values using Hue/Saturation or RGB values using Curves. There’s more than one way to make magic happen.