Linked from

The 3 pages that link to Dichromacy, each with the reason it gives.

• TrichromacyCompared with: The commonest deviation from trichromacy, revealing what the third cone adds.

• Color matching (trichromacy)Compared with: Reduced matching dimensionality makes dichromats the sharpest test of the theory.

• MonochromacyCompared with: Dichromacy preserves two cone signals, unlike monochromacy’s single or absent cone class.