Vintage Rainbow Candle Button

What’s this button referencing? It’s anybody’s guess! “LIGHT UP YOUR LIFE WITH RAINBOW”. Excellent vintage condition. Bundle with other buttons to save! flair pin retro collectible collectibles memorabilia ephemera souvenir promotional promo colorful colors 1970s 70s seventies 1980s 80s eighties pride LGBT LGBTQ LGBTQ+ gay lesbian transgender trans queer questioning plus