I'll be making a photoshop swatch of this soon, but til then heres an image I constructed for the purpose of color picking for pixel art or whatever.
(http://i206.photobucket.com/albums/bb140/scott_aw/th_pixelpalette.png) (http://s206.photobucket.com/albums/bb140/scott_aw/?action=view¤t=pixelpalette.png)
7 shade palette, hue transition colors, and 3 shade primary palette.
Download SuperSwatch! (http://host-a.net/scott_aw/SuperSwatche.aco) Kind of a mess and containing some repeat colors, swatch for Photoshop.
Looks like this.
(http://i206.photobucket.com/albums/bb140/scott_aw/th_superswatchcapture.png) (http://s206.photobucket.com/albums/bb140/scott_aw/?action=view¤t=superswatchcapture.png)
The palette was original a combination of Doom, Duke3d, Heretix/Hexen, and Blood game palettes obtained from various sources.
(http://i206.photobucket.com/albums/bb140/scott_aw/th_superswatchcapture.png) (http://s206.photobucket.com/albums/bb140/scott_aw/?action=view¤t=superswatchcapture.png)