Rainbow Brite first appeared as a character on Hallmark greeting cards 40 years ago. Then, the original Rainbow Brite TV series aired from 1984 to 1986, beginning with a slew of TV specials.

Rainbow Brite is getting a remix from Crayola Studios and Hallmark, which are teaming to develop a new TV series and feature film inspired by the 1980s children’s franchise. The theatrical movie ...