Ambient light. This acts as fill light. “In bathrooms with taller ceilings a cove or cantilever details ambient lighting fixtures can be installed along the perimeter of the space” Whitehead says. “Architectural details such as these can hide the fixture and create indirect lighting”.
Putting a light fixture in a bright hue in an otherwise simple room can add some fun and interest to the space. Colored shades can work wonders especially when the light is turned on.
All-around lighting includes general lighting and natural light. You want to ensure that at any time of day there is enough light for everyone to effectively use the space without incident and that any dark areas are minimized.