What color is the 'H' on hospital heliports?

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The color of the 'H' on hospital heliports is red inside an outlined cross. This color scheme is standardized to ensure visibility and quick identification, particularly in emergency situations where speed is critical. The red color signifies urgency and is universally recognized in many emergency contexts, making it effective for alerting pilots to the presence of a hospital heliport. The outlined cross surrounding the 'H' serves to further highlight the landing area, distinguishing it from the surrounding terrain and other markings. This design assists both pilots and surrounding personnel in quickly locating and recognizing hospital landing zones.