I am attempting to add a semitransparent layer of color to a black and white image in Gimp 2.8.0. I have added a new layer, clicked the bucket fill tool, selected the foreground color i want to add and adjusted opacity level. But, when I click in the B&W image to fill it, instead of the foreground color I selected (red) I get gray. Am I missing a step or am not using the correct process?


Likely because your image is in grayscale mode (see the window title bar). To use colors freely it has to be in RGB mode (Image>Mode>RGB)

  • thank you so much for that. somehow the program toggles greyscale mode on at random when i open images in it, and i never knew that was the problem till i looked at the window header Sep 19 '20 at 15:06

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