Seemed obscure at first but words like totoro, whammy, and asiago with no other obvious connections made them stand out for closer inspection

I guessed green might have been some kind of school subject or words with figure after it. I only know Pulp Fiction from the film but I guess that is also a kind of fiction maybe. Blue I had no idea and just thought putting four words in that order sounded funny. “My Very Excited Mother” I’ve never actually heard that used for planets, guess I just know them by name.

Green was the only one I was fully confident in

I recognized Toto, Wham, and Devo but had never heard of the band “Asia” so I was sort of picking random words to complete the quartet. Never heard of that particular planet mnemonic and “Skirt” and “Flank” had me going down a red herring thinking yellow was about meat (“Mother” is sometimes used for pieces of meat used to incubate good bacteria in a dry ager)