How many feet do 4 tiles measure... 4 1/2...for rug size. What colors are you wearing and liking in your home?

each tile is 13 inch so 4 1/2 tiles are about 4 feet and 10 inches. So a standard 3x5 or preferably 4x6 rug can work (with the longer side going across the width of the bed.

Everything in my house is very neutral at the moment. I do plan on adding more colorful decor (new throw pillows, some framed artwork and brass accents in lighting and cabinet pulls throughout the house) but all-in-all it will remain mostly white and grey.

Here is the living room:

My Project · More Info

old world style with an inspired, ethereal color palette of pearly grey, bone and faded brick

Loloi II Hathaway Printed Java / Multi Area Rug, 3'-6" X 5'-6" · More Info

I reckon this https://ascias.com/collections/decor/products/handmade-boho-triangle-rug?variant=36257469169827 would go well with the rice paper lamp and white drape. Adds character while sticking to your colour palette.