When it comes to the vexing problem of red or any other gradient, when we both agree that a thing is some color, is it really ...

White light can be blinding, cold, unforgiving. Our physical reality often finds it too much as well, splitting it apart any chance it gets. Plants are green because such wavelengths of light help ...

We might be told that color has something to do with light, or even be shown a prism, through which light refracts to produce a rainbow. This is true, but the human brain and visual system can ...

Visually, certain colors in the rainbow spectrum seem to run on ... with saturation increasing from the center outward. The 'true' color (hue) is near the ring midway from the center.