Well, if we take the example of stars, we find that blue stars are hotter than white stars, but that's because the spectrum 'shifts' as such (more high frequency light such as UV is produced), so this only applies when referring to visible light.
However, I think it's rather evident that your source is bending the facts to the scripture (as opposed to the scientific methods), and it is poorly referenced so I'd dismiss it if you can't find other sources.