One of the most powerful ways to change the look of a room or create ambience for your wedding is with the effective use of lighting.
You can use lighting to wash the walls with color or project a pattern. You can use up light to define a space or use pin spots to highlight your centerpieces and cake. Then of course the use of a monogrammed gobo on the dance floor is always beautiful.

Soft Pink Lit Walls

Pin Spots Light up A Garden Wedding

Patterns Wash the Walls. Pin Spot on Cake

You can expect custom lighting to cost in the neighborhood of 5 to 10% of your budget. That may seem like a lot but there aren’t many other things that will give the power to transform a space the way great lighting can.
Click through the images to see the sources.