From when advertising your product in color was noteworthy:

That noteworthy in September of 1966? How many ads were then still being produced in black & white?

Not everybody had color TV yet by a long shot. I remember a lot of the commercials, especially food commercials, were really colorful and amazing to people.

BTW, check out Barbara WaWa in that NBC shot.

...especially food commercials, were really colorful and amazing to people.

Kraft food commercials were color-TV demo events in themserves.

Kraft food commercials were color-TV demo events in themserves.

You beat me to it. Perfect closeups of the food on a live camera (not film), and Ed Herlihy unseen reading the copy "Good food and good food ideas."
I wonder who the hand models were?

[Some of the recipe ideas, though, were awfully heavy on some particular product like Kraft Mayonnaise.]

Also remember the Jolly Green Giant commercials.

I have some TV commercials in my collection from around 1967 that were distributed on 'real' Technicolor film stock. They are as pretty today as they were then.

The Disney TV shows were distributed on Technicolor film until 1972, when theTechnicolor process was shut down in the USA.