There may have been some cases, both before and after the invention of color videotape, where a color TV program was preserved as a kinescope recording on color film.
However, there was also during this period "lenticular film". Supposedely, it was a special black-and-white film with microscopic "lenses" on the surface. A film camera and projector using lenticular film would both have special filters in front of the shooting and projecting lens, respectively.
The idea was that a kinescope recording shot on lenticular film would, when projected with a proper filter, show (either projected on a screen or broadcast into a color film chain and seen on a color-TV set) the image in color.
Supposedely, the quality (especially color) wasn't that good.
One other note: RCA's first color videotape recorder (circa 1958) had a color recording system very different from later 2" quadraplex reel-to-reel VTR's. A tape recorded in color on these early RCA machines could only be played back in black-and-white on later color quad VTR's.
Supposedely in the late 1980's, some NBC videotapes from 1958 were discovered, including the dedication of a new studio for NBC's Washington D.C. facilities (including an appearance by President Dwight Eisenhower) and a Fred Astaire special. The story I heard was that when these tapes were first screened, they were in black-and-white. Someone had the bright idea of modifying a quad VTR to the 1958 RCA color recording/playback system. After the modifications were made, it turned out that those two tapes had been recorded in color.
Sometime around 1959, AMPEX developed a superior color recording system for their VTR's, which became the industry standard until later tape formats replaced the huge 2-inch-wide reel-to-reel tapes.