Nitter complete color theory

A02. Spectra and Illuminants

Five connected studies move spectra and illuminants from direct observation and explanation through controlled experiment, application and critique. Five active studies connect evidence, experiment, application and critique.

Observe → Understand → Experiment → Apply → Critique and record

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• Spectral Power

  Begin Spectra and Illuminants with spectral power: observe directly and record the conditions before interpreting the result.

• Reflectance Curves

  Within Spectra and Illuminants, build a working explanation of reflectance curves, keeping the model distinct from the appearance it describes.

• Transmission

  In Spectra and Illuminants, test transmission by changing one controlled variable and comparing the evidence.

• Standard Illuminants

  Apply standard illuminants within Spectra and Illuminants to a practical color decision, preserving both the reasoning and its constraints.

• Spectral versus Perceived Matches

  In Spectra and Illuminants, critique spectral versus perceived matches against evidence, exceptions and failure conditions before carrying it forward.