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Color Adjustments Using LAB Color Mode

by Mike, January 10, 2007 posted in Graphics

Sometimes it’s really frustrating. You try so hard to adjust the levels of your photo with Photoshop but it seems to be impossible to get a satisfying result. Most of the time the reason for this is the RGB color mode, which does not fit the color scheme of your picture. So in this tutorial I will show you how you can get rid of this problem by switching the color mode to LAB. This is my original example image:

original pic

This image could really need some more contrast and more vivid colors. Usually, the easiest and fastest way to fix that is hitting the button to auto-adjust the levels (Ctrl+L -> Auto) but this time the result is an image where the original blue colors are lost:

rgb

In order to keep the original hue you have to convert the image to LAB colors. If you haven’t done so already, go back one step in the history (Ctrl+Z), then click on Image > Mode > LAB color as seen on the picture below:

rgb to lab

Now try auto-adjusting the levels again (Ctrl+L -> Auto). This time you should be able to increase the contrast while preserving the natural blue colors of the image like this:

lab

So, whenever the level adjustments are not satisfactory in RGB mode just switch over to LAB colors and try again. In most cases you should get a much better result.

TIP: LAB mode is great for touching up the levels of portrait photos because skin colors will look much more natural ;)

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Click here to download the .atn script file used in this tutorial

Lomoeffect Sript

Click here to download the .atn script file used in this tutorial

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