Fig 9 shows a pair of projectors equipped with the Deepest Visible Red and Violet filters. For the best results, these would be the best filters to use when photographing the scene as well.

I may include an old program I wrote that demonstrates both Amplitude Modulation and Frequency Modulation, including SSB or Single Sideband production.

The Wave Interference Theory is the best theory for understanding color mixing, but is too complex for everyday use in Photography and Art.