Create a serene Master Bedroom in Simple style, featuring a calming color palette with soft whites, creams, and pale grays. The room is illuminated by warm, natural light pouring in through a large window above the bed, with sheer white curtains filtering the sun's rays. A plush, low-profile king-size bed with a simple wooden headboard and matching nightstands sits against a wall, surrounded by a minimalist area rug in a soft gray tone. The walls are painted a crisp white, and the space is accessorized with a few, carefully curated pieces of simple, modern artwork and a small, elegant nightstand lamp. The overall atmosphere is peaceful and calming, inviting relaxation and tranquility.