A triangular daymark is most commonly colored in which way?

The triangular daymark is most commonly colored red, which is a well-established convention in maritime navigation. This color scheme is specifically designated for navigational purposes to signify "keep to the right" or "buoy to port," aligning with the IALA (International Association of Lighthouse Authorities) buoyage system, which helps in the safe passage of vessels.

The use of red for a triangular daymark indicates that it serves a particular navigational role, helping mariners identify safe waterways and avoid hazards. While other colors, such as green, do appear in the navigation system, their meanings and uses are distinct and do not apply to the triangular daymark in the same way. The simplicity of red for marking helps to make these signals easily recognizable during both day and night.