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EditLab has six user defined memory colors, referenced via the six small buttons at the upper right of the tool panel:
Each memory color has several attributes associated with it:
EditLab installs with three predefined memory colors: Skin, Foliage and Blue sky. The remaining three are undefined. You may remove or modify the predefined colors at any time. (Don't worry, you can restore these default definitions if you change your mind later.) By moving the cursor over the buttons (without clicking), you can see the full name of the memory color along with a swatch of its color definition:
If your image contains objects whose color corresponds with one of your memory color definitions, EditLab can adjust the color so that it more closely matches the definition. This is done by first clicking on one or more samples of the color in your image, and then clicking on the proper memory color button. EditLab will adjust the hue (the "After" handle), brightness and saturation in such a way that brings the color as close as possible to the definition. Note that you can customize this behavior of the Memory Color buttons, much as you can customize SmartColor operation, using the SmartColor Preferences. For example, it is possible to specify that the memory color buttons will adjust the hue and brightness, leaving the saturation unchanged.
The memory color buttons will not be active unless you have clicked on a color in the image that corresponds to the active hue handle. When you have selected a color from the image, a correction can be determined based on the current color and the built-in correct color definition. As with all of the other automatic settings, if you aren't happy with the result, you can always fine tune the settings with the handles and sliders.
So to use the memory color feature to correct skin tones, simply click on a few skin tones in the image and then click the S button. That's it. This will automatically set the After hue handle and the Brightness and Saturation sliders (assuming all three are enabled in the SmartColor Preferences) to values that produce the correct skin tone color.
As you click on areas in your image, you should try to mark on relatively large areas of representative color. For example, when marking skin tones it is better to mark on a smooth section of a forehead, neck or chin than on a highly made up cheekbone, a bright highlight resulting from a flash, or a small area between the eyes.
You may also find that by zooming and scrolling, more precise color selection is possible, especially on small or thin objects.
Clicking the Reset button within the tool panel will remove all hue selective edits, and evenly distribute the hue handles around the hue ring.
Clicking a memory color button while holding down the key opens a dialog allowing you to edit the attributes of the color:
This is the means by which memory color definitions are added and modified, as described here.
If you find that you consistently need to make the same type of adjustment after using a memory color, you may want to customize EditLab's understanding of what the color should be. For example, if you prefer skin tones to be a bit more saturated than EditLab produces, you may alter the definition so that EditLab will produce more saturated skin tones next time. Here is how you do this.
A new memory color definition may be made in a similar fashion:
You may save a memory color definition into an external file by clicking the Save… button. This may be useful if you accumulate more than six definitions, which is the limit that may be used in EditLab at any one time.
Similarly, memory color definitions may be loaded from an external file by clicking the Load… button. This will replace the current color definition (if any) with the definition found in the file. This is the way that you can restore the factory default memory color definitions for skin, foliage and blue sky (these external files are provided by the EditLab installer).
Click the Clear button to remove the memory color definition.
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