Question: When did color tv come out what year?
Disambiguated questions and answers: question: When did color tv come out for public demonstration in a public building what year?
When did color tv come out for retail purchase what year?
When did the first practical demo of a mechanically-scanned color tv come out what year?
When did the first practical demo of a fully electronic color tv come out what year?
answer: 1950
1951
1928
1944
Natural Questions answer: June 25 , 1951 (from the Wikipedia article "Color television")