Today's Esoterica: What are the Differences between Tint, Tint, and Tint?

There are three controls in Aperture named Tint:

- The lower half of the "Temperature and Tint" panel in the White Balance Brick.

- The eponymous section in the Enhance Brick

- The eponymous Quick Brush, which, when used, creates a Tint Brick.

Are they different? How is each adjustment calculated?

Thanks. (Apologies if this has been asked and answered. I'll check the "More Like This" as soon as I post.)

(Added:)

Aha! Two years on ... sigh.

--Kirby.

Message was edited by: Kirby Krieger - link and arithmetic corrected.