Re: [Gimp-user] GIMP 2.10 Color Problems

[Ofnuts <ofnuts gmx com>]

On 08/17/18 19:20, james81 wrote:
> 1. Using GIMP 2.10.4
>
> I have need to duplicate objects in GIMP, changing only the colors in each
> duplication.
>
> I have not been able to do this since installing 2.10.
>
> The colors cannot be selected and when I paint the object the color is something
> completely different from what I selected.
>
> It actually prevents me from using GIMP and I am now about to revert back to
> GIMP 2.8.
>
> Any suggestions?
>
> Thank you
It looks like you are working on a color-indexed image (opened a GIF?) , 
and not on a plain RGB one.

Use Image>Mode>RGB to convert.