-  LAYER ... DUPLICATE LAYER ... OK

        -  open color image

        -  IMAGE ... ADJUST ... HUE SATURATION

        -  click "colorize" check box

        -  HUE = 30  

        -  SATURATION = 25

        -  OK

  TIP:  Create a duplicate layer before performing the process above.

          After, use opacity slider to add back a small amount of color.

          Use History brush for further selective color adjustments.

          Flatten layer before saving. 

       ---------------------------------------------------------------

(alternate)

        -  open color image

        -  IMAGE ... MODE ... GRAYSCALE ... OK   (or use other desat process)

        -  IMAGE ... MODE ... DUOTONE

               type:  DUOTONE

               ink 1: click color library-  Pantone Process Black C   "BLACK"

               ink 1: click color library-  Pantone 156 C                   "TAN"

               OK ... OK

        -  IMAGE ... MODE ... RGB COLOR