Connections
Puzzle #742
🟨🟨🟨🟨
🟩🟩🟩🟩
🟪🟦🟪🟪
🟪🟪🟪🟪
🟦🟦🟦🟦
I thought green would be a red herring, guessed the fourth purple for the wrong connection, only knew three blues, but apart from that, a good one!