  Photoshop  , :
1)      image
2)    Mode
3)   Indexed color (         8 -    -       8bits\Channel)
4)   ,    Forced  
5)    Custom
6)          , Load
7)   < >.act ,  
8)   
:       CC

,     - Swatches.   ,   .
    : Window-Swatches.
   Swathes -       Swathes -    Replace Swatches -    ColorTable (.ACT)     < >.act
 -       CC.        Swatches   Reset Swatches. 

 USS     .