Posterize
You can make a photo look like a poster by reducing the number of colors included.
Steps
To posterize a photo
- Click Color > Posterize.
- In the Posterize dialog box, enter the value in the Levels input box or move the slide bar to adjust the value.
- Click OK.
More Information
Posterize Dialog Box
Levels
Define the value between 1 and 256 to make a photo look like a poster.
See Also
Auto, Brightness/Contrast, Color Balance, Hue/Saturation, Levels, Curves, Easy Adjustment