Examples
The following flowchart demonstrates an example of the process, step by step.
| Light source | Medium wavelengths, or green, and long wavelengths, or red, radiate from two different projectors. |
| Projection screen | Both the medium and long wavelengths reflect off of a spot on the screen. |
| Retina | The medium and long wavelengths activate M and L cones on a spot on the retina. |
| Brain | The brain interprets the equal amounts of medium and long signal as yellow. |
To fully understand the process, it should be demonstrated how dull colors are obtained using cyan, magenta, and yellow instead of red, green, and blue.
| Light source | Cyan, or SM, and yellow, or ML, radiate from two different projectors. |
| Projection screen | Both the SM and ML reflect off of a spot on the screen. |
| Retina | Some short, lots of medium, and some long wavelengths activate cones on a spot on the retina. |
| Brain | The brain receives signals from the cones about some short, lots of medium, and some long wavelengths. It interprets the signal as light green. If the background is not black, it interprets the signal as dull green. |
Read more about this topic: Additive Color
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