I agree the creamy color needs to be changed. I would do a dark grayish/brown. Maybe you can use that same dark color on other areas too. A color close to the brown in the groves, as long as it is not too chocolate brown. Here are some ideas

Hi Seema. Can you post some pictures below of the interior and exterior of the house? Then we could start a conversation on it. For the interior, just start with a couple of rooms -- too much all at once is overwhelming. For the exterior, try to post one shot showing the full front of the house, or as much as possible of it, and a close up so that we can see the texture and composition of the walls.

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your staircase block is nice. use natural store cladding, if cost permits, else some nice stone designed tiles should also do the trick. as per the tile/stone, you can either go with the similar family for the rest of the wall painting. ensure the moldings/projections are painted in lighter tone than the walls, so that they do subtly stand out.