It might create a glare problem in the viewfinder if the light is coming from the the right direction. You can probably locate a Kodak or Tifen series VI hood in a silvery (not sure if it's actually real chrome) finish and series adapters are still available. The hood will probably be forty years old and look it! Even back then Leica users were mostly using the Leitz hoods with the push button clips, a black hood with chrome base. Nobody worried about coordinating their color schemes.