Hey Don
If that were the case then why they use Blue lights in Ambulances , they could use red as it would be seen from far way? And only lights like laser and neon lighs have high penetration power.
The actual reason is :
Red catches people's attention, and is often used to indicate danger or emergency
Red symbolizes heat and fire. Taps for hot water are often labeled red. Red is commonly the colour of fire alarm boxes, fire extinguishers, and the firefighter profession itself.
Red indicates extreme danger on Western color-coded scales, such as wildfire hazard signs or the U.S. Homeland Security Advisory System. It also denotes the maximum level of danger and preparedness as in the phrases condition red and red alert
Red denotes "stop" in, for instance, stop signs, traffic signals, brake lights, or the flashing lights of a school bus.
So its been a convention throught .
Cheers!
Moderation Team
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