It's difficult to say which pool light is the "best" in the USA, as the best light will depend on individual preferences and the specific features and design of a pool. Some popular and well-regarded brands of pool lights in the USA include:

• Pentair Intellibrite: Pentair Intellibrite offers a range of LED pool lights with a variety of color and lighting options. They are known for their energy-efficient design and durable construction.
• Jandy Watercolor: Jandy Watercolor offers a range of pool lights with a variety of color and lighting options. They are made with corrosion-resistant materials and are designed to withstand the elements.
• Hayward Colorlogic: Hayward Colorlogic offers a range of LED pool lights with a variety of color and lighting options. They are known for their energy-efficient design and easy installation.
• Superbrite: Superbrite offers a range of LED pool lights with a variety of color and lighting options. They are known for their long-lasting, high-quality light and durable construction.

When choosing a pool light, it's important to consider your specific lighting needs and preferences, as well as the size and layout of your pool. Comparing the features and pricing of different lights from different brands can also help you make an informed decision.