User Guide

Chapter 8 Editing
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You can use ACDSee to convert an image to any of these color depths. However, to use certain image
enhancement tools, filters, blends, and adjustment options, the image must be Hicolor or Truecolor.
To edit an image that is not originally Hicolor or Truecolor, you can convert it, edit the image, and then
convert it back to its original color depth.
Changing HSL values
You can adjust an image's HSL (hue, saturation, and lightness) values. You can save your options as a
preset for future use.
To adjust an image's HSL:
1 In Edit Mode, on the Edit Panel, click Color.
2 Select the HSL tab, and then move the sliders to adjust the Hue, Saturation, and Lightness
amounts.
3 Do one of the following:
•Click Apply to apply your changes and set options on another tab.
•Click Done to apply your changes and close the tool.
•Click Cancel to discard all changes and close the tool.
Changing RGB values
You can adjust an image's red, green, and blue (RGB) color values. You can save your options as a
preset for future use.
To adjust an image's RGB values:
1 In Edit Mode, on the Edit Panel, click Color.
2 Select the RGB tab, and then move the sliders to adjust the amount of Red, Green, and Blue.
256 Grays 256-color grayscale palette
16 Colors 16-color palette
256 Colors 256-color palette (GIF format uses 256 colors by default)
Hicolor 32,768-color palette
Truecolor 16,777,216-color palette of all colors visible to humans
16 bit grayscale 16-bit grayscale palette
48 bit color 48-bit color palette