Connections
Puzzle #580
🟨🟨🟨🟨
🟪🟪🟪🟪
🟦🟦🟦🟦
🟩🟩🟩🟩

Skill 95/99
Uniqueness 1 in 540

I managed to figure out all 4 categories and understood what they were before guessing. But I cannot believe the yellow was the yellow, and the purple was the purple. I figured out purple first, and the green and yellow last.

Still, 5/5 reasonableness.