User Guide
GNU Image Manipulation Program
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12.5.1.2 Options
Figure 12.64: Color Balance options
Select range to modify Selecting one of these options will restrict the range of colors which are changed with the sliders or
input boxes for Shadows, Midtones and Highlights.
Modify selected range’s color levels Sliders and input boxes allow to select colors weights.
Initialize range This button sets color levels of the selected range back to zero.
Preserve Luminosity This option ensures that brightness of the active layer or selection is maintained.
Preview The Preview checkbox toggles dynamic image updating. If this option is on, any change made to the RGB levels are
immediately seen on the active selection or layer.
12.5.2 Hue-Saturation Tool
The Hue-Saturation tool is used to adjust hue, saturation and lightness levels on a range of color weights for the selected area or
active layer.
12.5.2.1 Activate Tool
You can get to the Hue-Saturationtool in two ways :
• In the the image-menu through: Tools → Color Tools → Hue- Saturation
• By clicking the tool icon: in Toolbox, provided that you have installed color tools in Toolbox. For this, go to Tools
Dialog.