Connections
Puzzle #899
🟨🟨🟨🟨
🟦🟦🟩🟦
🟪🟪🟪🟪
🟩🟩🟩🟩
🟦🟦🟦🟦
I dodged the red herring, I spotted blue but guessed wrongly for one of them. Left it for a few hours, then realised what purple was when I came back to it.