How to take black and white photographs with just a part colored ?

Question:

How to take black and white photographs with just a part colored ?

There are advertisement showing complete black and white photos with only a part, normally eyes or hairs or nails only, colored. How it is done ? Is it photoshop ? How it is done in Photoshop ?

Best Answer - Chosen by Asker: if you have the type of camera with color accent, it could be done that way,

but usually done from color photo, and duplicated to b&w, then parts of color image are copied and pasted, or erased over through layers,

GIMP - Windows installers
http://gimp-win.sourceforge.net/stable.h...
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