How to use the HSL Adjustment layer?

[CaroleA]

I am trying to use the HSL Adjustment layer and I am quite confused on how to use it. So far, I just slide the Hue slider until the result on my project matches the color I want, but what is confusing is that I might get a blue layer while the slider is on the pink, or green when the slider is on yellow (and the starting color was red if it makes a difference).

There must be a logic in selecting the color with the slider. 

Can someone explain this a bit better?

[NotMyFault]

The hue slider works relative, not absolute. The colored band in the UI under the slider is simply misleading and wrong, it would only be correct for the hue value 180 (cyan). Ignore it. The circular color band is more useful. It actually shows the hue shift on all colors.

slider in center: no change

slider to the left or right subtracts or adds a certain value to the hue value of all color. The more you move the slider, the more the color values change in the given direction.

 

[CaroleA]

16 minutes ago, NotMyFault said:

The hue slider works relative, not absolute. The colored band in the UI near the slider is simply misleading and wrong, it would only be correct for the hue value 180 (cyan). Ignore it.

OK, good to know. I won't try to make more sense of it, and just "eye" the result.