These are the colour scheme you can go with ,Highlight the staircase with dark colour with muted mild colour background.Muted colours will bring down the boldness of the projections and merge down its presence.

Can you provide some photos of the exterior?

Hi umesh - Here are a few photo wall ideas that can inspire you: https://www.houzz.in/magazine/design-a-family-photo-wall-stsetivw-vs~77445238

hi guys we are planning to get our duplex 4bhk villa paint. any help with bright color suggestion with color codes for living room, drawing room, duplex stair wall and master room will be highly appreciable. my choice for color beige, white and such color family. please help. tia