Full Idea
Colour is in body and therefore also in an individual body; for were it not in some individual body it would not be in body at all.
Gist of Idea
Colour must be in an individual body, or it is not embodied
Source
Aristotle (Categories [c.331 BCE], 02b02)
Book Reference
Aristotle: 'Categories and De Interpretatione', ed/tr. Ackrill,J.R. [OUP 1963], p.6
A Reaction
This may be just a truism, or it may be the Aristotelian commitment to universals only existing if they are instantiated.