"The dark blue is full fat but 'light blue' is light," she said.
"Pink milk is skim – not to be confused with trim [low fat] red milk. Aren't they the same?"
"And then there's a purple for lactose-free which can also be green … and don't forget yellow which is reduced fat but it's different from light, skim and trim.
"Then you have grey, which is cold-pressed … how do you press a cow?
"I don't even know what the black ones are for. And then gold is homogenised."
A British expat explains she's confused by Australia's "complicated" milk range. Photo / TikTok,thejordanagrace
"In Australia, we don't need to pay attention to milk because we pick one type and brand and buy the same one for the rest of our lives," another person said.
"I think you've blown every Australians [sic] mind … we never knew there was a colour system," a third said.