I'm following a tutorial on YouTube, but I got stuck in Shape Keys. I made 2 keys: open and closed to make eyes blink. I clicked closed and change the value up to max. Then I added material to change the color to green. I switched back to object mode and decrease the value to 0, but the eyes didn't change from green to white. How do I get them to change?

This tutorial I'm learning right now is Blender 2.83 Easy Character Rigging

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    $\begingroup$ I may miss something but you can't change the material with shape keys, what you can probably do though is create a driver on the shape key in order to command a mix shader factor in your material $\endgroup$
    – moonboots
    Sep 9, 2021 at 9:48

1 Answer 1


To visualize Moonboots' comment:

Either drive some value inside your shader (here factor of MixRGB) with the shape key's value, or use a custom property that drives both. Here I used the easy way of adding a driver by right-clicking source: "Copy as New Driver" and right-clicking destination: "Paste Driver".


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