The score column doesn't use the prefs when the score is between -1 and
-4999. The following patch fixes this:
--- header-pane.cc-orig 2006-05-24 21:16:03.000000000 +0200
+++ header-pane.cc 2006-05-24 21:15:37.000000000 +0200
@@ -299,7 +299,7 @@
} else if (score <= -9999) {
fg = prefs.get_color_str ("score-color-ignored-fg", "dark grey");
bg = prefs.get_color_str ("score-color-ignored-bg", "black");
- } else if (score <= -5000) {
+ } else if (score <= -1) {
fg = prefs.get_color_str ("score-color-low-fg", "light grey");
bg = prefs.get_color_str ("score-color-low-bg", "black");
}