a warm white, and indoor lighting to be a neutral or artificially-toned white. By contrast, moonlight appears to be cooler than indoor lighting. Lighting choices In many cases, the key light is a stage light for indoor scenes, or sunlight for outdoors. A lighting instrument may also be used outdoors to supplement sunlight or as the primary light source with sunlight or skylight serving as fill lighting. Actual lamps, lighting fixtures, can serve as key lights, provided they are of sufficient brightness. They may also appear within the scene as props — in which case they are called "practicals." Similarly, fire, candles and other natural sources of light can be used See also High-key lighting Low-key lighting Low-key photography Stage lighting instrument McCandless method Top-left lighting Cinematography Stage lighting Photographic techniques Film and video terminology