other than these two default template is it able to do change the color of koha
Check C:\usr\koha229\opac\htdocs\opac-tmpl for OPAC and C:\usr\koha229\intranet\htdocs\intranet-tmpl for Intranet. Koha 229 comes with two default templates, npl and css for both OPAC and Intranet.
As far as, color is concerned, you have to edit *.css files
As Ata said, there are two templates to choose from, and if neither one suits your needs perfectly you can do two things: Modify the CSS that controls the appearance of pages. (Recommended) - or - Modify the templates that control the structure of pages (No recommended) Modifying the CSS (or adding a custom stylesheet) is by far the better option. Find someone who is handy with CSS and get their help! -- Owen -- Web Developer Athens County Public Libraries http://www.myacpl.org