Change all colors of a type with one code

I once got something working in my VBA that changed all the labels to the same background color. It was something like

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As opposed to Label1.BackColor=RGB(255,255,255),Label2.BackColor=RGB(255,255,255),etc..

I couldn't think of the exact search type for this but I know I'm missing something... Anyone that can remind me? It's been a year probably since I had it...