How do I change the color of a png image in GIMP?

Question

I have a png image that I'm using with GIMP that is only one color. I would like to change this color to a different color. Is there an easy way of doing this?

Answer 1

If you mean one solid color over a transparent background then it is easy:

• Set the alpha lock for the layer (checkerboard icon in the "Lock" line at the top of the layers list)

• Bucket-fill the layer (without any selection) with the required color, the alpha lock will ensure the opacity of pixels isn't changed.

Answer 2

You can adjust hue, saturation and lightness. The image must be in RGB color mode. If it happens to be an indexed color or a greyscale image, you must convert it to RGB (Image > Mode > RGB)

Indexed colors can be changed also by editing the color palette.

If you have a white background, it will not be affected if you define a color range.

It's in Color-menu.

Original:

Adjustment: