GIMP - export to PNG changes the color completely

Question

I have problem very similar to GIMP - export to PNG changes the color completely (from RGB to GRAY). i.e. colors in exported images are changed to gray. What I am doing wrong? here https://www.dropbox.com/scl/fo/7ehp7ny8yosnocy4l6bp1/h?rlkey=5dmp0ps2coga6spshqzecicmw&dl=0 are example files these "-1." are indexed while two others are not.

I can't reproduce the problem. Your XCF is in Indexed colour mode (not RGB). However, exporting your XCF to PNG appears to work just fine. see example. What version of GIMP are you using? IF nothing else works for you, try this: convert the document to RGB, then export as PNG. — Billy Kerr, Commented Nov 3, 2023 at 13:29
Note that the other question you linked to seems to suggest this may have been a bug. It may have been fixed in more recent versions. Check you are using the most up to date version of GIMP. Currently 2.10.34 — Billy Kerr, Commented Nov 3, 2023 at 13:37
Can't reproduce. Your exported PNG isn't gray... if you zoom in there are orange pixels, and the color map contains orange colors (including the main color for the text, #ffaa00 as #102). Only the test layer is changed. Furthermore the transparent strip on the right is partially filled with a grayish color (#7e7e76). Can you show the export dialog? What Gimp version is this? Did you try to merge the layer before export? — xenoid, Commented Nov 4, 2023 at 8:27
xenoid - you mean "export-test-1.png" is orange? Billy Kerr - I suspect that problem is gitlab.gnome.org/GNOME/gimp/-/issues/9933 — kjonca, Commented Nov 4, 2023 at 14:19
@kjonca - I can't reproduce that issue either. I'm using GIMP 2.10.34 and Win 11. — Billy Kerr, Commented Nov 4, 2023 at 16:03

morhook · Accepted Answer · 2024-06-11 14:56:56Z

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You need to change form "Indexed" coloring to "RGB" coloring that is compatible with PNG.

answered Jun 11 at 14:56

morhook

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kjonca · Accepted Answer · 2024-07-29 15:44:31Z

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In fatc there was bug in gimp, now fixed.https://gitlab.gnome.org/GNOME/gimp/-/issues/9933

answered Jul 29 at 15:44

kjonca

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