I bought the box with 4 little tubes Mel. I thought that's all they had
Ok, sounds like I'm a dag here

Yeah should have known that a bit of red with white base turn into pink

But beetroot juice is also a great idea (although we don't have beetroots in this house very often as I hate them

)
Megsie, we ended up with the most disgusting colour this morning

I tried to make purple by mixing red & blue but didn't get it quite right and Becky added a bit of green in it, so now we have something resembles to Vegemite instead