Customizing : Setting Palettes preferences
 
Setting Palettes preferences
You can control the behavior of palettes, such as how palettes dock, as well as some properties of the Materials and Layers palettes. For more information about Layers palette settings, see To modify the look of the Layers palette.
To set Palettes preferences
Edit workspace 
Manage workspace 
1 Choose File Preferences General Program Preferences.
2 From the left pane, choose Palettes.
3 Perform one or more of the following tasks, and click OK.
 
To
Do the following
Set the color mode in which to display color information
In the Materials palette group box, choose either the Display colors in RGB format option or Display colors in HSL format option.
This determines how color information is displayed in the Materials palette and Dropper tool.
Set how color values are displayed in ToolTips or in a Color dialog box
In the Materials palette group box, choose either the Decimal display option or the Hexadecimal display option.
Set how paletted images display available colors in the Rainbow tab or in a Color dialog box
In the Materials palette group box, choose either Show rainbow picker or Show document palette. Note that this option only applies to images with 256 or fewer colors.
Show 16-bit color values in ToolTips
Mark the Display 16-bit values check box. Note that this option only applies to 16-bit images.
Make palettes undockable
In the Allow docking of group box, unmark check boxes for the palettes you want to make undockable.
Set whether palettes appear automatically
In the Automatically show palettes group box, choose one of the following:
• Always — displays palettes appropriate to the tools and commands you are using. For example, if you perform a layers-related action, the Layers palette is displayed.
• Never — displays palettes only when you choose to open them
• With Learning Center — displays palettes appropriate to the topics accessed in the Learning Center palette. This is the default setting.
Set display options for the Layers palette
In the Layers palette group box, choose any of the following:
• Tooltip thumbnails — sets the size at which a layer’s thumbnail appears in the tooltip
• Palette thumbnails — displays a layer’s thumbnail within the palette. Mark this check box, and then set the desired size.
• Right pane — displays a layer’s settings on the right side of the palette