How can I make Internet Explorer not change the colors in my PNG images

StackOverflow https://stackoverflow.com/questions/75947

Question

When using PNG files (made with Paint.NET) as background images on my web site, IE7 is changing the colors and actually displaying a darker version of my images, as seen here. In this image, the dark background and background image should be both #001122, and the medium background and background image #004466. But IE7 changes the images to #000C1A and #003A5B respectively. No problem with FF3.

Was it helpful?

Solution

IE has a known bug with PNG gamma info, though I thought they had fixed it in version 7 :-?

I remove the gamma info from PNG files using "PNG Crush". I've created a right-click shortcut in Windows explorer. Further info: using pngcrush in windows

OTHER TIPS

An alternative to PNGOUT is TweakPNG. Comes with a GUI and no installer, very easy to remove the gAMA (just right click and delete it!)

http://entropymine.com/jason/tweakpng/

I think this has to do with Gamma correction. Take a look at this

http://www.hanselman.com/blog/GammaCorrectionAndColorCorrectionPNGIsStillTooHard.aspx

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