Color Counter

Author: Wayne Rasband (wsr at
History: 2001/11/05: First version
2008/10/14: Works with stacks; displays pixel counts if fewer than 65 colors
Installation: Download Color_Counter.class to the plugins folder and restart ImageJ.
Description: This plugin counts the number of unique colors in an RGB image or stack. Displays the pixel count for each color if there are no more than 64 colors.

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