diff --git a/ChangeLog b/ChangeLog
index bcbc3ab6..265582dd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -18,6 +18,7 @@
 - Supports rc.reports.<type>.cell to control the number of minutes that one
   character cell represents on a chart.
           (thanks to Matthew Lemon, Rene Vergara).
+- Added basic color themes.
 
 ------ current release ---------------------------
 
diff --git a/doc/themes/dark_blue.theme b/doc/themes/dark_blue.theme
index 1e4a11b4..c83d0da9 100644
--- a/doc/themes/dark_blue.theme
+++ b/doc/themes/dark_blue.theme
@@ -30,7 +30,7 @@ define theme:
     # General UI color.
     exclusion = "gray8 on gray4"
     today     = "rgb125"
-    holiday   = "rgb100"
+    holiday   = "rgb002"
     label     = "rgb002"
     ids       = "rgb015"
     debug     = "blue"
diff --git a/doc/themes/dark_green.theme b/doc/themes/dark_green.theme
index 9e6469d5..337f3569 100644
--- a/doc/themes/dark_green.theme
+++ b/doc/themes/dark_green.theme
@@ -29,9 +29,9 @@ define theme:
   colors:
     # General UI color.
     exclusion = "gray8 on gray4"
-    today     = "rgb521"
-    holiday   = "rgb100"
-    label     = "rgb100"
+    today     = "rgb152"
+    holiday   = "rgb010"
+    label     = "rgb010"
     ids       = "rgb510"
     debug     = "blue"