Can Different Shades Of Wood Blinds Be Used Within A House Or Should The Same Wood Tone Be Used Throughout?

Have golden oak wood flooring on main floor, with light and dark furniture that varies per room. Upstairs is carpeted but all dark wood. Would it look weird from the ouside to use a light toned shade downstairs and a dark toned blind upstairs? Can different shades be used on the first floor too - where the blinds would match the wood furniture, or should it all complement the floor?

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