EXIF stores the color profile of the image (which is sRGB in most cases). If you remove the EXIF tags Chrome doesn't start color management.
Try enabling Adobe RGB (1998) as the default color profile for your monitor (your system is now wide gamut). restart Chrome and open http://www.repiuk.nl/index.php/blog-mainmenu-97/245-colorprofiles. Most likely you see two different (saturation) renderings of identical jpgs. Close Chrome and set your previous color profile for your monitor and try again. Both images are now identical. If both cases are identical I'll try to eat my ... Toine On 12 March 2013 13:12, Mark Roberts <postmas...@robertstech.com> wrote: > Toine wrote: > >>Thanks for the link. >> >>I see green in Chrome and red in IE. >> >>My wild guess: Most systems have a normal gamut (sRGB) profile loaded. >>On calibrated systems a calibrated sRGB profile is used. If a browser >>sends a jpg to the OS it uses sRGB. If a browser like chrome detects a >>jpg with a profile it enables color management. An image saved as sRGB >>renders identically on a normal gamut system (calibrated or not). This >>would suggest Windows uses the calibrated sRGB profile. >>On wide gamut systems a browser like chrome does the same trick. The >>problem is a jpg without a profile, the OS handles the image and >>renders an over saturated image because the OS doesn't use color >>management (very strange). > > You're almost there. The OS is still using color management, just to > deliver the image to the monitor. The problem is when the > *application* rendering the image doesn't use color management. > >>Calibrating a wide gamut system results in >>correct colors in apps like LR, PS etc en correct colors in Chrome if >>the jpg is presented to the browser with EXIF available. If EXIF is >>stripped by the webserver the colors are wrong in every browser. > > EXIF has nothing to do with color management. > > -- > Mark Roberts - Photography & Multimedia > www.robertstech.com > > > > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
