Lighting has always been the most important element of a space that directly affects the overall atmosphere. In interior design, lighting can be both functional and decorative, to provide safety and visual comfort. Lighting can have a great impact on how people feel and interact with an environment. It can make a room more comfortable, relaxing, and even romantic. In general, there are three types of lighting: ambient, accent, and task. Ambient lighting refers to the overall lighting of a room, and it is the most important type. This typically includes natural and artificial lighting sources in the form of lamps, chandeliers, and wall sconces. Accent lighting is meant to draw attention to particular art and furniture pieces, while task lighting is directed at providing extra brightness over a workspace or a reading corner. LED lighting has become one of the most popular lighting options because of its energy efficiency and long-lasting operation. The right kind of lighting can also be used to highlight certain architectural features and designers can deploy it creatively to make a small room feel larger or a spacious area feel more intimate. Today, colors, dimmers, and motion sensors are all used to tailor light and create unique atmospheres. Today, lighting has become an increasingly important part of interior design. Lighting affects the atmosphere in a room and is a crucial element in creating the desired ambiance. With the right lighting, designers can transform a space into a unique and functional area to enjoy.