The NYT has their people on the Pride beat* :

What Does Gay Pride Smell Like?

Candle makers offer tie-ins with whiffs of ginger, warm woods and bergamot. Sniff, sniff, sniff.

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The backroom of a leather bar on Halsted, circa 1989.

Can you recreate that scent in a candle? Can you?

* God love em, they're trying...