Using the Palette Property Trackbars

The Palette Properties dialog shows a tab sheet for adjusting the properties of the color channels. There is one tab each for the R, G, and B channels and another tab for adjusting all channels simultaneously.

Open the Palette Properties dialog.
Select the desired color channel from the Color Channel tabs. If you do not see the tab control in the bottom half of the window, click [Show >>].
Move the trackbars to change brightness, contrast, and gamma.

Tip	Moving the trackbars on the R, G, and B channel Properties pages changes the value in an absolute sense between 0 and 100%. On the All channels Properties page, the trackbars adjust the R, G, and B properties in a relative sense, starting from their beginning values.

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