Biv as kids as an acronym to remember the colors of the rainbow, right? Red, Orange, Yellow, Green, Blue, Indigo ... Ultraviolet light, for example, is too short of a wavelength for our cones ...

Researchers isolated one kind of cone in the eye and aimed lasers at it to allow subjects to see a super vibrant teal shade ...

To make the same colors with light instead of paint I had to use red, green, and blue, not yellow. It was until much later when trying harness banks of RGB LEDs that this knowledge became useful.

When light passes through certain objects—such as prisms, rain droplets, or a CD—the different wavelengths can be bent at different angles. This makes the colors separate, so we see them as the ...