Just started experimenting colorizing with GIMP. When I add a layer on the pop up window I choose foreground color (which has been set previously) however I keep getting a grey shade no matter what color has been chosen before. Any ideas how to fix this ?

  • Hi nadineDinDin, welcome to GDSE. Can you please include a screenshot and elaborate more on the issue you're having.
    – Welz
    May 26, 2017 at 18:16
  • will definitely do next time , issue solved :D May 26, 2017 at 18:42
  • 1
    Your image is in Greyscale mode. Click Image > Mode > RGB. That'll fix it. No need to create a new document!
    – Billy Kerr
    May 27, 2017 at 10:16

2 Answers 2


I had the same issue and the problem was the image used the greyscale mode. Simply changing the color mode to RGB fixed the issue. -> Image -> Mode -> RGB

enter image description here


I got the same when I had chosen my new image to have greyscale colors, not RGB. That must be selected in the advanced options in File > New.

The user interface happily allowed me to choose any FG color, but new layer was greyscale, if it were not selected to be transparent.

So, open a new image and select the Colour space = RGB.

  • That worked perfectly :D thanks for your help May 26, 2017 at 18:43
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    You can change that later in the Image -> Mode dialog, too. May 27, 2017 at 9:06

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