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Linear Color Analysis of Modern Image Formats

It has been a standard for a long time that web image should have delivered in sRGB color profile. This was chosen mainly for compatibility reasons, because most of the browsers back then didn't have a proper color management, therefore color profiles were ignored and can be incorrectly rendered -- as without a color profile (aka. untagged) any image will be considered as sRGB. This was not a concern since most of the consumer displays at that time are barely even have full coverage of sRGB gamut.

I remebered during my college days when I still have a side job to calibrate monitors (that was way back in 2012-ish, when Spyder 4 was released), most of my customers' screen only have around 70% sRGB coverage, I even found some that went as low as 60%! Ouch! Wide gamut, or even a full sRGB coverage monitors were pipedream to most of us, we can only see them in big studios and production houses.

Anyway, I digress with my personal story.

And thus, since the advent of wide gamut displays and HDR these days, color management in browsers became an important aspect. We are no longer bounded by sRGB profile, many new wide-gamut profiles are emerged that can accomodate this shiny new display (pun intended), such as DisplayP3 and Rec.2020 profiles. Therefore, now major browsers have a proper color management to properly view those images, also to pave the road for HDR viewing support.

Well, actually in photography section we already got used to work with wide-gamut profiles such as Adobe RGB and ProPhoto RGB for a pretty long time too.