50% Gray in RGB, Lab ang Gray-gamma 2.2: why are different?

Started Jan 15, 2013 | Discussions thread
technoid
Senior MemberPosts: 1,295
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Re: Here's Why
In reply to Vernon D Rainwater, Jan 20, 2013

Vernon D Rainwater wrote:

Thanks for your additional comments:

Also, there are many colors that change the RGB values when changed from one color space to another -- such as changing between Pro Photo, sRGB, etc. So, the discussed change you mention evidently is not limited to the discussed Gray patches.

There have been recent threads discussing this. Also, I started one several weeks ago regarding the mentioned RGB changes for selected colors

Vernon...

Yep, interesting threads. Different colorspaces do have very different mappings. Especially ProPhoto.

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