var colors = newArray("Green", "Red", "Cyan", "Magenta", "Green", "Red", "Cyan", "Magenta");


macro "setup colors" {
  run("Make Composite", "display=Composite");
  Stack.setDisplayMode("composite");
  Stack.setActiveChannels("11111111");
  for (i=1; i<=8; i++) {
     Stack.setChannel(i);
     run(colors[i-1]);
  }

}