A pool lit from inside and nothing else lit around it produces a striking photograph and a yard you cannot safely walk across. Lighting deserves the same layered treatment as the rest of the design.
Four layers
Pool lighting. The centerpiece. Modern LED fixtures give color options and use a fraction of the energy of older lights. One well-placed fixture in a small pool, more in a larger one, positioned so they do not shine directly at the main seating area.
Deck and step lighting. The safety layer. Low-level fixtures at step edges, level changes and along the deck perimeter. This is the layer most often missed and the one that prevents falls.
Landscape lighting. Uplighting on trees and structures, which gives the yard depth. Without it, everything outside the pool reads as a black void and the space feels smaller than it is.
Task and ambient lighting. Over an outdoor kitchen or seating area, where people need to see what they are doing. Warmer and dimmer than the rest.
Aim away from where people sit
The most common lighting mistake is a fixture that shines into the eyes of anyone in the main seating area. Glare ruins the effect and makes everything beyond the fixture harder to see.
Light surfaces, not eyes. Wash a wall, graze a tree trunk, wash a step — the light you notice should be reflected rather than direct.
Color, used sparingly
Color-changing LEDs are popular and most owners settle on white or a soft blue for everyday use, with color for occasions. That is a reasonable pattern, and it argues for a system where the everyday setting is one button rather than a menu.
Put the conduit in during construction
Landscape lighting added later means trenching through finished lawn and sometimes cutting decking. Running conduit while the yard is already disturbed costs very little and leaves every option open.
This is the same argument as shade footings and water feature plumbing. The pattern is consistent: anything that needs to pass under or through hardscape should be installed while the hardscape is being built.
Controls
Pool lighting integrated with pool automation, landscape lighting on a timer or the same system. What matters is that turning the yard on in the evening is one action. A system that requires four switches in three locations gets used at half its potential.
Low voltage is the practical choice
Outside the pool itself, landscape lighting is almost always low voltage. It is safer around water, easier to run, easier to modify later, and the fixture quality at reasonable prices is now very good.
The transformer wants sizing with headroom for additions, and it belongs somewhere accessible and dry. Undersizing the transformer is the most common reason a landscape lighting system cannot be extended later.
Colour temperature
Mixing colour temperatures is what makes a lighting scheme look unplanned. Warm white at around 2700K reads comfortable and residential; cooler temperatures read commercial. Pick one and use it throughout the landscape lighting, and let the pool light be the one element that differs.
This applies to replacement bulbs as much as the original installation. A single cooler fixture among warm ones is immediately noticeable.
Less than you think
The most common error in landscape lighting is too much of it. A yard lit evenly and brightly looks like a car park; a yard with pools of light and areas of shadow looks considerably better and uses fewer fixtures.
Start with fewer fixtures than the plan suggests, live with it for a few evenings, and add where it is genuinely needed. Adding is easy on a low-voltage system with headroom; removing is a decision people rarely make.
Pool light placement specifics
Position pool lights so they face away from the primary viewing and seating area, which means putting them on the same side as the house looking outward. A light aimed back toward the patio produces glare off the water surface and makes the pool harder to see into rather than easier.
On larger pools, two lights on the same wall produce more even illumination than one powerful fixture, and they give redundancy when one eventually fails.