Randomly assign color to instances within Geometry Nodes

Question

I would like to give each instance (here a cube) within a geometry node setup a randomly assigned color. I have tried Capture Attribute but haven't had success with it so far.

quellenform · Accepted Answer · 2022-07-08T15:31:09.020

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Actually, this question has already been asked a few times in different forms, but here is a variant that describes the current solution path with Blender 3.2:

This is where the Store Named Attribute node comes into play, with which you can store a color value per instance. This color value is then simply queried in the shader using the Color Attribute node.

edited Jul 08 '22 at 15:31

answered Jul 08 '22 at 14:59

quellenform

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This is actually clearer than the method that was linked in the comment. Thank you! – Lennart Van der Goten Jul 08 '22 at 15:09
is it possible that this doesn't work in Cycles? I get colored cubes in Eevee but they are grey for Cycles.. – Lennart Van der Goten Jul 08 '22 at 15:18
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@LennartVanderGoten I have updated the answer, sorry, was my mistake. If you want to make it work in Eevee and Cycles you would actually have to use the Color Attribute node in the shader here instead of Attribute to read the value for "color". – quellenform Jul 08 '22 at 15:33
Thanks! Works like a charm! – Lennart Van der Goten Jul 09 '22 at 09:00
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If you want to make it work in Blender 3.5.1 Cycles you must use other name than "color" for the attribute value. – Flavio C May 10 '23 at 22:14

Randomly assign color to instances within Geometry Nodes

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