using this render as the base apply dark charcoal siding warm charcoal not true black benjamin moore kendall charcoal range to the garage volume only keeping the current light greige siding on the main living volume unchanged the two siding treatments should meet cleanly at the stone pier or an inside corner a clear seam not a gradient or blend stone pier keep current placement coursing and colour now doing double duty as the visual transition marking where the light siding ends and the dark volume begins trim and beams unify to matte black throughout both volumes tying the two siding tones together door keep current colour and placement unchanged remove any wood board and batten or horizontal slat panels siding should read as two consistent vertical lap materials only no additional textures or orientations keep roofline massing window layout and landscaping unchanged overcast daylight accurate material and colour tones no stylization