5 posted on
06/11/2023 11:45:04 AM PDT by
Olog-hai
("No Republican, no matter how liberal, is going to woo a Democratic vote." -- Ronald Reagan, 1960)
To match the peak wavelength of light that the sun produces, which is somewhere in the yellow-green:
![](https://qph.cf2.quoracdn.net/main-qimg-e282f16f335c0c94607595e11c7aa3b3-lq)
As given by the blackbody radiation curve of the sun based on its temperature. And also what the atmosphere doesn't absorb.