Effects > Two Colors > Dithering
Dithering
The Dithering filter allows you to decrease the image's color depth to 2 colors using the Ordered Dither reduction method.
1. Do one of the following:
 Choose Effects > Two Colors > Dithering
 
Click the Dithering button
2. Use the following options:
  Foreground Color
Use this option to change the foreground color.
  Background Color
This option allows you to change the background color.
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