Look into "Tekhelet" and "developments in the jewish community may also have played a role, such as the proliferation of counterfeit (indigo) threads which made the procurement of genuine tekhelet difficult"...
I believe I heard that the light spectrum was 6.66 amazingly enough.....the same as a blue tarp....In fact the military has a program called project blue tarp.....for "protecting you home after storms"....
It would have to reflect the exact wavelength to be 100% effective, but blue lasers vary between 400-500nm so somewhere between blue and purple.
Look into "Tekhelet" and "developments in the jewish community may also have played a role, such as the proliferation of counterfeit (indigo) threads which made the procurement of genuine tekhelet difficult"...
Metal roof. Not a color.
https://www.npr.org/2023/08/24/1195331310/red-roof-house-fires-lahaina-hawaii#:~:text=Nearly%20100%2Dyear%2Dold%20house%20withstood%20a%20historic%20fire&text=The%20house%20has%20roots%20dating,the%20roof%2C%22%20Millikin%20said.
I believe I heard that the light spectrum was 6.66 amazingly enough.....the same as a blue tarp....In fact the military has a program called project blue tarp.....for "protecting you home after storms"....
it's the frequency of blue light in HZ..... here's a short video..... https://rumble.com/v3e90gm-maui-fires-and-directed-energy-weapons-and-the-666-blue-code.html
Marian Blue color hex code is #2B4593