Customizing indexed color tables (Photoshop)

The Color Table command lets you make changes to the color table of an indexed-color image. These customization features are particularly useful with pseudocolor images--images displaying variations in gray levels with color rather than shades of gray, often used in scientific and medical applications. However, customizing the color table can also produce special effects with indexed-color images that have a limited number of colors.

Note: To shift colors simply in a pseudocolor image, choose Image > Adjustments, and use the color adjustment commands in the submenu. For a summary description of these commands, see Basic steps for correcting images.

Related Subtopics:

Using the color table to edit colors and assign transparency
Using predefined color tables
Saving and loading color tables

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