It’s less common to find green beer made with wheatgrass, matcha, squid ink, or straight-up chlorophyll (yes, the stuff that makes leaves green), but according to TIME, they do exist.Some of them work better than others; for example, Darren Robinson of Doctor’s Orders Brewing in Australia said to TIME that the squid ink used in the brewery’s Cephalopod Black Berliner Weisse didn’t change the taste of the beer at all — but it did result in quite a bit of inconsistency in terms of the color: Some batches were “radioactive green,” while others ended up “dirty paint-water grey.” But they’re still, y’know, options. Just sayin’.

No matter what you use to turn your beer green, though, if you’re making it at home, make sure you abide by two essential rules: First,add the food coloring to your glass before you pour in the beer; then, don’t stir it once you’ve combined the ingredients. If you do, you’ll make the beer go flat. And that would be very sad, indeed.

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