Color TV became commercially viable in the early 1950s but didn’t really take off until the mid-1960s when the big three (and only) television networks made a concerted effort to significantly increase the amount of color programming, broadcasting classic shows like Gilligan’s Island, My Favorite Martian, and Lassie in “brilliant, true-to-life color” for the first time.
— Read on www.soundandvision.com/content/sixties-flashback-color-tv-revolution