Starman1
says
g'morning, all! This day in History! 1951: The first commercial color TV program was transmitted by CBS from New York to Baltimore, Philadelphia, Boston, and Washington, DC. 
^^ The old BBC TV colour TV test card from the 1970s.
That's better than what the US used
good morning!
Good morning!
Starman1
shares
in 1939 was the original TV Test pattern: 
Starman1
says
NBC have the first Peacock color TV Test Pattern in 1953. After that,
Starman1
shares
after that.. all networks adopted the following color bar as the official test pattern: 
still likes the BBC one better 
Starman1
says
thats because it was newer than the others and a much better pattern
Auntie Beeb arrived fashionably late in 1967 but got it right. 
Starman1
says
sorry BryonyConstantine but I got a broken link on "the guardian"
Try this one then : Test card girl 'bemused' by her return to British television