[Resolved] Colour wheel triangle/square desaturated in some documents

[Martin Kuppe]

I have an issue in Affinity Designer 2 (v 2.5.7) for Windows Desktop on Windows 11 Pro: 

In some documents, the colour wheel is strangely desaturated (left), whereas in others, it's saturated (right). This even happens when both documents are open simultaneously; the colour wheel changes when switching between tabs. First I thought that one of the wheels was in HSB mode, but according to the display in the lower left corner, both wheels seem to be in HSL space, and I didn't find an option to toggle between HSL and HSB. This might be a bug, or some hidden option I inadvertently modified in one document but not in the other one.

This is not a blocking issue, but I'd very much like to switch back to the saturated triangle.

Hälp? 🥺

Edited February 8 by Martin Kuppe
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[NotMyFault]

Which color formats (RGB, CMYK, …) are you using in the documents?

[Hangman]

Hi @Martin Kuppe and welcome to the forums,

Your desaturated colour wheels are likely the result of your documents using the RGB/32 (HDR) Colour Format, whereas your saturated colour wheels use RGB/8 or RGB/16.

RGB/32 (HDR) - Left | RGB/8 - Right

[Martin Kuppe]

Color format? Wait... Where's the...? One sec... Aaaaah, that might be the option I was looking for:
In the documents with "desaturated" colour wheels, it's RGB/32 (HDR). In the "normal" ones, it's RGB/8.

But why does this change the aspect of the colour wheel?

[Martin Kuppe]

Thank you, anyway, that solves my problem.

[NotMyFault]

22 hours ago, Martin Kuppe said:

Color format? Wait... Where's the...? One sec... Aaaaah, that might be the option I was looking for:
In the documents with "desaturated" colour wheels, it's RGB/32 (HDR). In the "normal" ones, it's RGB/8.

But why does this change the aspect of the colour wheel?

RGB/32 is very special, avoid it until you come to a use case where you need it.

the color values are interpreted differently. Regular RGB/8 and RGB/16 use a gamma curve to transform stored values into actual pixel lightness, RGB/32 uses a linear transfer curve.