There are four available colors (demos under demos/): Palo Alto Green, Cardinal Red, White and Cool Gray. To change the color, go to beamerthemestanford.sty and change the headline color by (un)commenting the relevant lines:
- White Text, Palo Alto Green Banner:
\setbeamercolor{headline}{bg=paloaltogreen,fg=white} - Cardinal Red Text, White Banner:
\setbeamercolor{headline}{bg=white,fg=cardinalred} - White Text, Cardinal Red Banner:
\setbeamercolor{headline}{bg=cardinalred,fg=white} - White Text, Cool Gray Banner:
\setbeamercolor{headline}{bg=coolgray,fg=white}
Contributions are more than welcome! If you have a way to improve this poster, please pay it forward by opening a pull request and I'll add your improvement(s) :)