Professional home decoration often relies on mathematical and visual rules to create a sense of harmony:

Designers are increasingly using color drenching —applying a single bold hue to an entire room, including walls, trim, and ceilings.

Home decoration is the art and science of enhancing a living space to achieve a healthier and more aesthetically pleasing environment for its inhabitants. Beyond mere ornamentation, it is a practice of and connectedness , where physical items in a room help build an emotional connection to the home. Foundational Principles of Design