Gassy baby - foremilk/hindmilk imbalance or green from cruciferous vegetables?

My 5 month old baby has been horribly gassy and spitting up more than usual for the last few days and I noticed my milk has also changed color. It's usually typical white/milk color but it changed to this greenish/bluish tint almost overnight.

I was having arugula with lunch (not realizing it was a cruciferous/gassy veggie), which I've since stopped, but I've read that extra greens can turn your milk this color.

I'm not sure if it's a foremilk/hindmilk imbalance or green from cruciferous vegetables?