4 ms·
Then someone will invent a 4th primary colour.
by Already__Taken 12y ago
Then someone will invent a 4th primary colour.
- lotsofmangos 12y agoAlready there for tetrachromatics like Concetta Antico. http://en.wikipedia.org/wiki/Concetta_Antico http://en.wikipedia.org/wiki/Concetta_Antico