As there were no better vessels for this operation to be found in the household, a cake tin had to be sacrificed, and it worked out very well.
The colours came out really bright, except for some parts of yarn inside the hank, that remained unintentionally a bit too light.
This is how the yarn looks after knitting:
Leftover dye made it into more experiments, a painted piece of lace
and plain cotton fabric (so many new ideas for making a matching wardrobe instantly coming up):
