Tradescantia zebrina

Thanks

Or Scindapsus

Philodendron scandens
Ficus pumila

Agree with Scindapsus, but not with Tradescantia zebrina - I have this and it loses most of its colour in shady situations, though it continues to grow. Another option is Grape Ivy or Mermaid Vine - there's some argument about its Latin name, so it might be sold as Rhoicissus rhomboidea, or Cissus rhombifolia. The Mermaid Vine has more dissected leaves, and its usually listed as Rhoicussus rhomboidea 'Ellen Danica'.

Used to grow tradescantia zebrina under the benches in the palm house i used to look after in Brighton Bamboo. I have some on my very dark kitchen window sil at the moment and it's thriving !!!

Great, thanks everyone

Oh it grows just fine in shady situations, Andy, no question, but its nowhere near as colourful as in a bit of sun, well at least, mine isn't.

How about Epipremnum aureum, Devil's Ivy? I have one at the back of my home office where it gets very little light and it's starting to take over!