What are the basic colors of the international maritime signal flags?

The basic colors of the international maritime signal flags are red, blue, yellow, green, black, and white. These colors are used in various combinations to create the distinct flags that serve as a communication system at sea, conveying specific messages and instructions. Each flag has its own unique significance, and when flown together, they can indicate complex messages or alerts.

This comprehensive palette allows for a broad range of signal flags, facilitating effective communication among vessels and between ships and shore stations in diverse scenarios, including safety alerts, navigational messages, and operational commands. Understanding the basic colors and their usage is crucial for anyone involved in maritime operations, as it enhances safety and clarity in communication on the water.