What colors are the sidelights on a boat?

Sidelights on a boat are specifically designed to indicate the vessel's direction to other watercraft, enhancing safety on the water. The correct colors for sidelights are red on the port (left) side and green on the starboard (right) side. This color-coding is standardized internationally under maritime navigation rules, allowing other vessels to determine the direction and orientation of a boat at night or in low visibility conditions. When a boater sees a red light, they know they are seeing the left side of a vessel, and a green light indicates the right side. This system is critical for preventing collisions and ensuring safe navigation.