Lab Color space vs RGB

[Dzung Nguyen]

A follow up questions is:

Which rendering intent is used when converting from XYZ to RGB? 
(AbsoluteColorimetric, Perceptual, RelativeColorimetric or Saturation). The 
formula is presented in this link, but I couldn't interpret it.

http://www.easyrgb.com/index.php?X=MATH&H=01#text1

On Saturday, March 28, 2015 at 10:37:13 PM UTC-5, Dzung Nguyen wrote:
>
> Is it true that Lab color space is larger than RGB color space? For 
> example, there exists a color in Lab that can't be reproduced in RGB space 
> ( outside of monitor's gamut)? How does the function rgb2lab deal with this 
> case? From the code, I saw that there's always a corresponding mapping one 
> to one between Lab and RGB.
>
>
>
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