Lighting is crucial when designing a black bathroom, as it helps to create ambiance and highlight design features. Soft, warm lighting from fixtures like recessed lights or pendant lights can make a black bathroom feel inviting, rather than too dark. Installing mirrors with built-in LED lighting can enhance the reflective quality of the space, making it feel brighter. For dramatic flair, backlit mirrors or sconces with gold or brass finishes can provide both function and style. Strategic lighting helps reveal the beauty of black elements and adds to the luxurious atmosphere.