I would like to start with a simple idea, how to create an interior scheme , using various photographs or cuttings out of magazines. And yes, you don't have to be interior designer, pro or a graduate...
Take a look at this neutral concept board:
Then you take the second dominant colour like the colour of the jacket and suitcases and use it in sourcing for the bigger objects like rugs and furniture.
Less used colours on the concept board will be excellent for searching the accessories: cushions, mirrors, decorative objects, ceramics, pictures, lighting etc.
This is what I came up with: