Red, Green, Blue would = RGB, so no.
There may be a single 'stock' static colour for those fans that could work on a header alone, but I wouldn't bet on it.
Can't find info on the fans at simply 'stock', but they look to be the transparent(ish) type, and that's what they'll look like when not connected to an RGB controller (header on your motherboard, or stand-alone controller like the one I linked).
They'll operate as fans, moving air.... but they're not going to be remotely "RGB".