This will give you Hexadecimal color data in the following format:
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<nowiki>RGB #A42FFF</nowiki>
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{{#Widget:Iframe
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|url=https://youtu.be/Kym6crZF1Pg
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|width=560
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|height=315
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|border=0
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}}
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You can combine the color picker and controller sample sketches to make color-configurable animations triggered by buttons in the mobile app-- very handy for wearables! Download this combined sample code (configured for Feather but easy to adapt to FLORA, BLE Micro, etc.) to get started: