Example of color patch in Grid?

I am working on a custom layer control, I can put the color numbers in, but would like to be able to show a
color patch like the small color box used in the standard layer control?

Thanks!

Could you use a Text or Graphics button and set the background color ??



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Thanks! that should work.

Is it possible to set the background color for each line possibly?
Or maybe just a cell of the grid?