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O.K. So what kind of people would be there? We have black and white people running all around right here for a reason. One color reflects infrared and the other one reflects ultraviolet. It also means one color absorbs infrared and the other absorbs ultraviolet. I am approaching this logically because I forgot this.

Red has a longer wavelength than ultraviolet. Which also means red has a lower frequency than ultraviolet. We know there is a lot of ultraviolet on our equator and people have dark skin there. And not much ultraviolet farther north where infrared is needed.

Could we have a planet there of white aliens? Hiring illegal aliens from other planets to do what they are too lazy to do? Just an exercise between skin color and wavelength. Am I wrong?

Red would be the new white, blue would be the new black.

At least that is how it would look to our eyes. To their eyes it would be black and white.

Just my guess...

"We have black and white people running all around right here for a reason. One color reflects infrared and the other one reflects ultraviolet."

The extra melanin in darker skin is protective against the ultraviolet. But in the mid-infrared (thermal band of human and room-temperature objects, 8-13 micron wavelength peak emissions for objects near 300K temperature) band, all human skin (even albino) has a high absorption and emissivity. Basically we all have dark skin in the mid-infrared.