Very dark paint, similar to mahogany, with color sheen?

by Mar
I'm not sure whether, or how, this can be done, but I'd like to paint a railing so that at first glance it looks very deep brown, or almost black. But I want it to have sort of a colored glow, sort of like how a duck's neck can look black in some light but teal in others. Some sort of paint and glaze? I have no idea where to even start.

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