Using variables

Or try this. The above solutions require two images - gray and bright. While it is not difficult, it does mean that while laying out the page you always have to remember to grab BOTH images. And you have to always be sure they are aligned. Instead have the original bright image only. Then add actions:1. Show the desired text 2. a Change Contents action to replace the bright image with the grayed one.Generally this is simpler and easier to manage and layout. Downside is that the button is still active and if clicked will show the text. that may be ok.

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