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The color of certain images is displayed incorrectly (PNG images it would seem)

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This is not a graphics card issue or color profiles. the images look fine in chrome and other browsers, and in photoshop. Firefox is displaying colors from PNG files incorrectly.

This is not a graphics card issue or color profiles. the images look fine in chrome and other browsers, and in photoshop. Firefox is displaying colors from PNG files incorrectly.

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By default, Firefox will try to color manage JPEGs and PNGs tagged with a color space but not others. You can review and experiment with the following preferences to see whether one of them improves the rendering:

(1) In a new tab, type or paste about:config in the address bar and press Enter/Return. Click the button promising to be careful.

(2) In the search box above the list, type or paste gfx.c and pause while the list is filtered

gfx.color_management.mode - governs application of color management to images

  • 0 = off
  • 1 = on for ALL images
  • 2 = on for TAGGED images (default)

I can't recall whether you need to exit/restart Firefox before changes to this preference, or changes to the below preferences, takes effect.

gfx.color_management.display_profile - if you have created a custom monitor profile and Firefox is not using it, you can enter the path to it here.

gfx.color_management.enablev4 - double-click to toggle to true if your custom monitor profile is an ICC v4 profile

gfx.color_management.rendering_intent - whether Firefox honors or overrides the intent flag in the ICC profile, by default, overrides to Perceptual

For details, see: https://developer.mozilla.org/Firefox/Releases/3.5/ICC_color_correction_in_Firefox

Can you find a combination of settings that gives you the colors you expect?

If you want to share a link to a particular image for comparison, please feel free.