QGIS 2.4:
Select the raster layer and choose "Identify Features"
(button with a white "i" in a blue filled circle on it).
Then click on the pixel.  The value(s) will be displayed
in the Identify results window.

Håvard

On 2014-10-14 1:48, Xan Vieiro wrote:
Hi !!

How can I know the RGB value of a single pixel?

Thanks.


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Håvard Tveite
Department of Mathematical Sciences and Technology, NMBU
Drøbakveien 31, POBox 5003, N-1432 Ås, NORWAY
Phone: +47 64965483 Fax: +47 64965401 http://www.nmbu.no/imt/
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