Filter curve by color

[CornCorn (CoCo)]

Hi all,
Is there any way to classify the curves by color (red/green/blue) from grasshoper?

Best Regards,
Cococo

[Joseph_Oster]

Yes, but how were the colors assigned?

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[René_Corella]

Check this if your object display color comes from the layer:

Reading object display color in Grasshopper

I assume you’re using Rhino 8? [image] [image] object_display_color.gh (16.5 KB) test_export.3dm (130.4 KB)