diff --git a/init.lua b/init.lua
index 7fc6260..b50d44d 100644
--- a/init.lua
+++ b/init.lua
@@ -37,6 +37,19 @@ mail = {
 		trash_move_enable = {}
 	},
 
+	colors = {
+		header = "#999",
+		selected = "#72FF63",
+		important = "#FFD700",
+		additional = "#CCCCDD",
+		imp_sel = "#B9EB32",
+		add_sel = "#9FE6A0",
+		imp_add = "#E6D26F",
+		imp_add_sel = "#BFE16B",
+		highlighted = "#466432",
+		new = "#00F529"
+	},
+
 	message_drafts = {}
 }
 
diff --git a/onjoin.lua b/onjoin.lua
index e62ce1f..f7a45e2 100644
--- a/onjoin.lua
+++ b/onjoin.lua
@@ -17,7 +17,7 @@ minetest.register_on_joinplayer(function(player)
 
 		if unreadcount > 0 and mail.get_setting(name, "onjoin_notifications") then
 			minetest.chat_send_player(name,
-				minetest.colorize("#00f529", "(" ..  unreadcount .. ") " .. S("You have mail! Type /mail to read")))
+				minetest.colorize(mail.colors.new, "(" .. unreadcount .. ") " .. S("You have mail! Type /mail to read")))
 		end
 	end, player:get_player_name())
 end)
diff --git a/ui/about.lua b/ui/about.lua
index 2998e41..e3d20b5 100644
--- a/ui/about.lua
+++ b/ui/about.lua
@@ -21,27 +21,27 @@ function mail.show_about(name)
 
 			tablecolumns[color;text;text]
 			table[5,0.75;4.9,5.5;contributors;]] ..
-			[[#999,]] .. S("Contributors") .. [[,,]] ..
-			[[#FFD700,Cheapie,Initial idea/project,]] ..
-			[[#FFF,Rubenwardy,Lua/UI improvements,]] ..
-			[[#FFF,BuckarooBanzay,Clean-ups\, Refactoring,]] ..
-			[[#FFF,Athozus,Boxes\, Maillists\, UI\, Settings,]] ..
-			[[#FFF,fluxionary,Minor fixups,]] ..
-			[[#FFF,SX,Various fixes\, UI,]] ..
-			[[#FFF,Toby1710,UX fixes,]] ..
-			[[#FFF,Peter Nerlich,CC\, BCC,]] ..
-			[[#FFF,Niklp,German translation,]] ..
-			[[#FFF,Emojigit,Traditional Chinese trans.,]] ..
-			[[#FFF,Dennis Jenkins,UX fixes,]] ..
-			[[#FFF,Thomas Rudin,Maintenance,]] ..
-			[[#FFF,NatureFreshMilk,Maintenance,]] ..
-			[[#FFF,imre84,UI fixes,]] ..
-			[[#FFF,Chache,Spanish translation,]] ..
-			[[#FFF,APercy,Brazilian Portuguese trans.,]] ..
-			[[#FFF,Nuno Filipe Povoa,mail_notif.ogg,]] ..
-			[[#FFF,TheTrueBeginner,Simplified Chinese trans.,]] ..
-			[[#FFF,nyomi,Hungarian translation,]] ..
-			[[#FFF,whosit,UI fixes]
+			mail.colors.header .. [[,]] .. S("Contributors") .. [[,,]] ..
+			mail.colors.important .. [[,Cheapie,Initial idea/project,]] ..
+			[[,Rubenwardy,Lua/UI improvements,]] ..
+			[[,BuckarooBanzay,Clean-ups\, Refactoring,]] ..
+			[[,Athozus,Boxes\, Maillists\, UI\, Settings,]] ..
+			[[,fluxionary,Minor fixups,]] ..
+			[[,SX,Various fixes\, UI,]] ..
+			[[,Toby1710,UX fixes,]] ..
+			[[,Peter Nerlich,CC\, BCC,]] ..
+			[[,Niklp,German translation,]] ..
+			[[,Emojigit,Traditional Chinese trans.,]] ..
+			[[,Dennis Jenkins,UX fixes,]] ..
+			[[,Thomas Rudin,Maintenance,]] ..
+			[[,NatureFreshMilk,Maintenance,]] ..
+			[[,imre84,UI fixes,]] ..
+			[[,Chache,Spanish translation,]] ..
+			[[,APercy,Brazilian Portuguese trans.,]] ..
+			[[,Nuno Filipe Povoa,mail_notif.ogg,]] ..
+			[[,TheTrueBeginner,Simplified Chinese trans.,]] ..
+			[[,nyomi,Hungarian translation,]] ..
+			[[,whosit,UI fixes]
 		]] .. mail.theme
 
 	minetest.show_formspec(name, FORMNAME, formspec)
diff --git a/ui/contacts.lua b/ui/contacts.lua
index bf5ae53..0ee5a29 100644
--- a/ui/contacts.lua
+++ b/ui/contacts.lua
@@ -9,7 +9,7 @@ local contacts_formspec = "size[8,9;]" .. mail.theme .. [[
 		button[6,1.60;2,0.5;delete;]] .. S("Delete") .. [[]
 		button[6,8.25;2,0.5;back;]] .. S("Back") .. [[]
 		tablecolumns[color;text;text]
-		table[0,0;5.75,9;contacts;#999,]] .. S("Name") .. "," .. S("Note")
+		table[0,0;5.75,9;contacts;]] .. mail.colors.header .. "," .. S("Name") .. "," .. S("Note")
 
 
 function mail.show_contacts(name)
diff --git a/ui/drafts.lua b/ui/drafts.lua
index 6f164cc..082643a 100644
--- a/ui/drafts.lua
+++ b/ui/drafts.lua
@@ -21,7 +21,7 @@ function mail.show_drafts(name)
 		button_exit[6,9.5;2.5,0.5;quit;]] .. S("Close") .. [[]
 
 		tablecolumns[color;text;text]
-		table[0,0.7;5.75,9.35;drafts;#999,]] .. S("To") .. "," .. S("Subject")
+		table[0,0.7;5.75,9.35;drafts;]] .. mail.colors.header .. "," .. S("To") .. "," .. S("Subject")
 
     local formspec = { drafts_formspec }
     local entry = mail.get_storage_entry(name)
diff --git a/ui/inbox.lua b/ui/inbox.lua
index ddcf5e2..5c2c67e 100644
--- a/ui/inbox.lua
+++ b/ui/inbox.lua
@@ -48,7 +48,7 @@ function mail.show_inbox(name, sortfieldindex, sortdirection, filter)
         button[3.5,9.5;2.5,0.5;selectall;]] .. S("(Un)select all") .. [[]
 
         tablecolumns[color;text;text]
-        table[0,0.7;5.75,7.45;inbox;#999,]] .. S("From") .. "," .. S("Subject")
+        table[0,0.7;5.75,7.45;inbox;]] .. mail.colors.header .. "," .. S("From") .. "," .. S("Subject")
     local formspec = { inbox_formspec }
 
     mail.message_drafts[name] = nil
@@ -71,27 +71,27 @@ function mail.show_inbox(name, sortfieldindex, sortdirection, filter)
             if selected_id > 0 then
                 if not message.read and unread_color_enable then
                     if not mail.player_in_list(name, message.to) and cc_color_enable then
-                        formspec[#formspec + 1] = ",#A39E5D"
+                        formspec[#formspec + 1] = "," .. mail.colors.imp_add_sel
                     else
-                        formspec[#formspec + 1] = ",#A39E19"
+                        formspec[#formspec + 1] = "," .. mail.colors.imp_sel
                     end
                 else
                     if not mail.player_in_list(name, message.to) and cc_color_enable then
-                        formspec[#formspec + 1] = ",#899888"
+                        formspec[#formspec + 1] = "," .. mail.colors.add_sel
                     else
-                        formspec[#formspec + 1] = ",#466432"
+                        formspec[#formspec + 1] = "," .. mail.colors.selected
                     end
                 end
             else
                 if not message.read and unread_color_enable then
                     if not mail.player_in_list(name, message.to) and cc_color_enable then
-                        formspec[#formspec + 1] = ",#FFD788"
+                        formspec[#formspec + 1] = "," .. mail.colors.imp_add
                     else
-                        formspec[#formspec + 1] = ",#FFD700"
+                        formspec[#formspec + 1] = "," .. mail.colors.important
                     end
                 else
                     if not mail.player_in_list(name, message.to) and cc_color_enable then
-                        formspec[#formspec + 1] = ",#CCCCDD"
+                        formspec[#formspec + 1] = "," .. mail.colors.additional
                     else
                         formspec[#formspec + 1] = ","
                     end
diff --git a/ui/maillists.lua b/ui/maillists.lua
index 4182949..578f97a 100644
--- a/ui/maillists.lua
+++ b/ui/maillists.lua
@@ -9,7 +9,7 @@ local maillists_formspec = "size[8,9;]" .. mail.theme .. [[
 		button[6,1.60;2,0.5;delete;]] .. S("Delete") .. [[]
 		button[6,8.25;2,0.5;back;]] .. S("Back") .. [[]
 		tablecolumns[color;text;text]
-		table[0,0;5.75,9;maillists;#999,]] .. S("Name") .. "," .. S("Note")
+		table[0,0;5.75,9;maillists;]] .. mail.colors.header .. "," .. S("Name") .. "," .. S("Note")
 
 function mail.show_maillists(name)
 	local formspec = { maillists_formspec }
diff --git a/ui/message.lua b/ui/message.lua
index 823735d..97426ce 100644
--- a/ui/message.lua
+++ b/ui/message.lua
@@ -9,7 +9,7 @@ function mail.show_message(name, id)
 	local formspec = [[
 			size[8,9]
 
-			box[0,0;7,1.9;#466432]
+			box[0,0;7,1.9;]] .. mail.colors.highlighted .. [[]
 
 			button[7.25,0.15;0.75,0.5;back;X]
 
diff --git a/ui/outbox.lua b/ui/outbox.lua
index 84afeaf..57b6635 100644
--- a/ui/outbox.lua
+++ b/ui/outbox.lua
@@ -46,7 +46,7 @@ function mail.show_outbox(name, sortfieldindex, sortdirection, filter)
         button[3.5,9.5;2.5,0.5;selectall;]] .. S("(Un)select all") .. [[]
 
 		tablecolumns[color;text;text]
-		table[0,0.7;5.75,7.45;outbox;#999,]] .. S("To") .. "," .. S("Subject")
+        table[0,0.7;5.75,7.45;outbox;]] .. mail.colors.header .. "," .. S("To") .. "," .. S("Subject")
 	local formspec = { outbox_formspec }
 
 	mail.message_drafts[name] = nil
@@ -64,7 +64,7 @@ function mail.show_outbox(name, sortfieldindex, sortdirection, filter)
                 end
             end
             if selected_id > 0 then
-				formspec[#formspec + 1] = ",#466432"
+				formspec[#formspec + 1] = "," .. mail.colors.selected
             else
 				formspec[#formspec + 1] = ","
             end
diff --git a/ui/select_contact.lua b/ui/select_contact.lua
index 3f33bd3..4253bdf 100644
--- a/ui/select_contact.lua
+++ b/ui/select_contact.lua
@@ -5,15 +5,15 @@ local FORMNAME = "mail:selectcontact"
 
 local select_contact_formspec = "size[8,9;]" .. mail.theme .. [[
     tablecolumns[color;text;text]
-    table[0,0;3.5,9;contacts;#999,]] .. S("Name") .. "," .. S("Note") .. [[%s]
+    table[0,0;3.5,9;contacts;]] .. mail.colors.header .. "," .. S("Name") .. "," .. S("Note") .. [[%s]
     button[3.55,2.00;1.75,0.5;toadd;→ ]] .. S("Add") .. [[]
     button[3.55,2.75;1.75,0.5;toremove;← ]] .. S("Remove") .. [[]
     button[3.55,6.00;1.75,0.5;ccadd;→ ]] .. S("Add") .. [[]
     button[3.55,6.75;1.75,0.5;ccremove;← ]] .. S("Remove") .. [[]
     tablecolumns[color;text;text]
-    table[5.15,0.0;2.75,4.5;to;#999,]] .. S("To") .. ":," .. S("Note") .. [[%s]
+    table[5.15,0.0;2.75,4.5;to;]] .. mail.colors.header .. "," .. S("To") .. ":," .. S("Note") .. [[%s]
     tablecolumns[color;text;text]
-    table[5.15,4.6;2.75,4.5;cc;#999,]] .. S("CC") .. ":," .. S("Note") .. [[%s]
+    table[5.15,4.6;2.75,4.5;cc;]] .. mail.colors.header .. "," .. S("CC") .. ":," .. S("Note") .. [[%s]
     button[3.55,8.25;1.75,0.5;back;]] .. S("Back") .. [[]
 ]]
 
diff --git a/ui/settings.lua b/ui/settings.lua
index 878febd..faf22b5 100644
--- a/ui/settings.lua
+++ b/ui/settings.lua
@@ -9,7 +9,7 @@ function mail.show_settings(name)
 			tabheader[0.3,1;optionstab;]] .. S("Settings") .. "," .. S("About") .. [[;1;false;false]
 			button[9.35,0;0.75,0.5;back;X]
 
-			box[0,0.8;3,0.45;#466432]
+			box[0,0.8;3,0.45;]] .. mail.colors.highlighted .. [[]
 			label[0.2,0.8;]] .. S("Notifications") .. [[]
             checkbox[0,1.2;chat_notifications;]] .. S("Chat notifications") .. [[;]] ..
             tostring(mail.get_setting(name, "chat_notifications")) .. [[]
@@ -20,7 +20,7 @@ function mail.show_settings(name)
             checkbox[0,2.4;sound_notifications;]] .. S("Sound notifications") .. [[;]] ..
             tostring(mail.get_setting(name, "sound_notifications")) .. [[]
 
-			box[5,0.8;3,0.45;#466432]
+			box[5,0.8;3,0.45;]] .. mail.colors.highlighted .. [[]
 			label[5.2,0.8;]] .. S("Message list") .. [[]
             checkbox[5,1.2;unreadcolorenable;]] .. S("Show unread in different color") .. [[;]] ..
             tostring(mail.get_setting(name, "unreadcolorenable")) .. [[]
@@ -35,7 +35,7 @@ function mail.show_settings(name)
             S("Ascending") .. "," .. S("Descending") .. [[;]] ..
             tostring(mail.get_setting(name, "defaultsortdirection")) .. [[;true]
 
-			box[0,3.2;3,0.45;#466432]
+			box[0,3.2;3,0.45;]] .. mail.colors.highlighted .. [[]
 			label[0.2,3.2;]] .. S("Other") .. [[]
             checkbox[0,3.6;trash_move_enable;]] .. S("Move deleted messages to trash") .. [[;]] ..
             tostring(mail.get_setting(name, "trash_move_enable")) .. [[]
diff --git a/ui/trash.lua b/ui/trash.lua
index 28380cb..7601fba 100644
--- a/ui/trash.lua
+++ b/ui/trash.lua
@@ -16,7 +16,7 @@ local trash_formspec = "size[8.5,10;]" .. mail.theme .. [[
 	button_exit[6,9.5;2.5,0.5;quit;]] .. S("Close") .. [[]
 
 	tablecolumns[color;text;text]
-	table[0,0.7;5.75,9.35;trash;#999,]] .. S("From/To") .. "," .. S("Subject")
+	table[0,0.7;5.75,9.35;trash;]] .. mail.colors.header .. "," .. S("From/To") .. "," .. S("Subject")
 
 
 function mail.show_trash(name)