Connections
Puzzle #522
🟨🟨🟨🟨
🟪🟪🟪🟪
🟦🟦🟦🟦
🟩🟩🟩🟩

Been a couple more fail days, but today was actually doable for me. Ironically, green was hardest, because one in that collection I'd never heard used in that context. I must be too old.