diff --git a/mods/ITEMS/mcl_books/init.lua b/mods/ITEMS/mcl_books/init.lua
index 45208c4132..5101994e9d 100644
--- a/mods/ITEMS/mcl_books/init.lua
+++ b/mods/ITEMS/mcl_books/init.lua
@@ -1,4 +1,4 @@
-local S =minetest.get_translator("mcl_books")
+local S = minetest.get_translator("mcl_books")
 
 local max_text_length = 4500 -- TODO: Increase to 12800 when scroll bar was added to written book
 local max_title_length = 64
@@ -67,7 +67,7 @@ local make_description = function(title, author, generation)
 	else
 		desc = S("Tattered Book")
 	end
-	desc = desc .. "\n" .. minetest.colorize("#AAAAAA", S("by @1", author))
+	desc = desc .. "\n" .. minetest.colorize(mcl_colors.GRAY, S("by @1", author))
 	return desc
 end
 
@@ -147,8 +147,8 @@ minetest.register_on_player_receive_fields(function ( player, formname, fields )
 				local formspec = "size[8,9]"..
 					header..
 					"background[-0.5,-0.5;9,10;mcl_books_book_bg.png]"..
-					"field[0.75,1;7.25,1;title;"..minetest.formspec_escape(minetest.colorize("#000000", S("Enter book title:")))..";]"..
-					"label[0.75,1.5;"..minetest.formspec_escape(minetest.colorize("#404040", S("by @1", name))).."]"..
+					"field[0.75,1;7.25,1;title;"..minetest.formspec_escape(minetest.colorize(mcl_colors.BLACK, S("Enter book title:")))..";]"..
+					"label[0.75,1.5;"..minetest.formspec_escape(minetest.colorize(mcl_colors.DARK_GRAY, S("by @1", name))).."]"..
 					"button_exit[0.75,7.95;3,1;sign;"..minetest.formspec_escape(S("Sign and Close")).."]"..
 					"tooltip[sign;"..minetest.formspec_escape(S("Note: The book will no longer be editable after signing")).."]"..
 					"button[4.25,7.95;3,1;cancel;"..minetest.formspec_escape(S("Cancel")).."]"
diff --git a/mods/ITEMS/mcl_books/mod.conf b/mods/ITEMS/mcl_books/mod.conf
index 7c4513b00c..cea9a5dd8d 100644
--- a/mods/ITEMS/mcl_books/mod.conf
+++ b/mods/ITEMS/mcl_books/mod.conf
@@ -1,4 +1,4 @@
 name = mcl_books
 author = celeron55
 description = Books mod for MCL2
-optional_depends = mcl_init, mcl_core, mcl_sounds, mcl_mobitems, mcl_dye
+optional_depends = mcl_init, mcl_core, mcl_sounds, mcl_mobitems, mcl_dye, mcl_colors