/usr/share/ekg2/themes/peres.theme is in ekg2-ui-ncurses 1:0.4~pre+20120506.1-14build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | message %K<%c<%C< %n%|%c%2%n%3\n
chat %K<%c<%C< %n%|%c%2%n%3\n
sent %K>%g>%G> %n%|%3\n
conference %c<%C%1%c>%n %n%|%3\n
-query_started_window
log %K<%c<%c< %n%|%c%2%n%3\n
sent_log %K>%g>%g> %n%|%c%2%n%3\n
irc_joined %> %Y%2%n (%y%3%n) has joined %4\n
|