" Raw file change to JPG " Colour saturation problem

[alanskywalker]

Please Help ~

Im the beginner of Leica M8 and i have no idea how come the colour saturation will be decrease a lot when i uploaded to facebook or Flickr. i used Capture One to adjust the Raw file to JPG is that the setting problem or what?

Thanks in advance ~ 🙁

 

[Shac]

Alan - what colour space is the M8 set to and is this the output colour space of the jpg - is it Adobe RGB? Check also what colour space is used by Facebook/Flickr? If the latter is sRGB you will probably see a decrease in saturation. At least that's my experience. Adobe RGB has a larger colour gamut than sRGB. But I could be wrong of course

 

[roey]

This usually happens if you upload a JPG with any color space other than sRGB and then use a web browser that doesn't support color management. Most web browsers ignore any profile data in the picture and just render it assuming it is sRGB.

I always convert pictures to sRGB before uploading them to the web.

Hope this helps.

 

[alanskywalker]

Thank you so much for all of your advise !!!!

 

[jaapv]

Do it this way: Use a large colourspace like Profoto or aRGB throughout your postprocessing and only convert down to sRGB for web viewing. Don't forget that as soon as you convert to a smaller colourspace all colours that you cut off are lost and cannot be retrieved by converting up again to the larger space.

Another thing that is most important: when you convert from RAW, convert to 16 bits, despite the fact that the M8 file is compressed to 8 bits. If you use the smaller bitdepth you will introduce posterizing when you postprocess. Again, convert down to 8 bits only after you have done manipulations like levels and curves and stay in 16 bits for as long as you PP program will allow you.