05-11-2018, 04:31 PM
I can reproduce that in a Kubuntu 18.04 / Gimp 2.10.0 VM. Using Change FG (or BG) with color picker always gives some blue value.
as this screen shot. https://i.imgur.com/PnCaLs4.jpg
The color picker tool works ok. The paint tool + ctrl to pick a colour, also works.
My regular Kubuntu 16.04 + Gimp 2.10.0 flatpak does not have the bug, I assume it is a 'buntu 18.04 thing. Difficult to report as a Gimp bug.
You might have to live with it until updates come along and use alternatives for FG/BG colour picker.
as this screen shot. https://i.imgur.com/PnCaLs4.jpg
The color picker tool works ok. The paint tool + ctrl to pick a colour, also works.
My regular Kubuntu 16.04 + Gimp 2.10.0 flatpak does not have the bug, I assume it is a 'buntu 18.04 thing. Difficult to report as a Gimp bug.
You might have to live with it until updates come along and use alternatives for FG/BG colour picker.