|
COLOUR |
FILAMENT |
HALOGEN |
XENON |
|
|
|
|
|
|
Clear |
100% |
100% |
100% |
|
|
|
Amber |
70% |
70% |
70% |
|
|
|
Red |
30% |
27% |
23% |
|
|
|
Green |
12% |
15% |
25% |
|
|
|
Blue |
8% |
10% |
13% |
 |
|
|
Different dome colours are used to convey different messages to the observer.
RED = serious danger act now! AMBER = warning proceed with care GREEN = ok proceed as normal BLUE = specific process notice/warning
Alternatively Green colour beacons are used by Doctors and Veterinarians and Blue beacons for the Police and Fire departments.
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