Quoted from rockwell:Rainbow Ribbon Cable:
https://wirebot.xyz/products/ribbon-cable-rainbow-ft
Well, now I know where I will be sourcing all my future ribbon cables!
If I hadn't already stocked up on wire for my homebrew at least a year go, I'd be placing an order now for a lot of color combinations. Fortunately, as someone who never knows when to quit, there's a nonzero chance I'll be building more, so...