Illumination sources and subjects having distinctly matched and mismatched narrow spectral bands

An illumination system matched to a pigment marking a subject, the system comprising:

• an illumination source that emits light having an illumination spectrum comprising:
• a first distinctively stronger emission peak at a first wavelength compared to other wavelengths, the first distinctively stronger emission peak corresponding to a first visible color,
• a second emission peak at a second wavelength that is different from the first wavelength, the second emission peak corresponding to a second visible color, and
• a third emission peak at a third wavelength that is different from the first and second wavelengths, the third emission peak corresponding to a third visible color, such that the light source provides simulated broadband illumination,
• wherein the illumination source is matched to the pigment such that the first distinctively stronger emission peak at the first wavelength matches a distinctively stronger absorption peak of the pigment, and
• the illumination source illuminating the pigment causes the pigment to have a color that is different from a nominal color, which is a color that the pigment has when illuminated by broadband light that does not have a distinctively stronger narrow band emission peak at the predetermined wavelength.

An illumination system matched to a pigment marking a subject, the system comprising:

• an illumination source that emits light having an illumination spectrum characterized by a distinctively stronger narrow band emission peak at the predetermined wavelength compared to other wavelengths, the emission peak having a full-width at half maximum of 10 to 30 nm,
• wherein the illumination source is matched to the pigment such that the distinctively stronger emission peak at the predetermined wavelength matches a distinctively stronger absorption peak of the pigment, and
• the illumination source causes the pigment to have a first visible color when illuminated by the illumination source, the first visible color being different from a nominal color, which is a color that the pigment has when illuminated by broadband light that does not have a distinctively stronger narrow band emission peak at the predetermined wavelength,
• wherein the emission peak of the illumination source corresponds to a red, green, or blue wavelength.