diff --git a/signs_lib/init.lua b/signs_lib/init.lua
index 23c4927e..04ff60b9 100644
--- a/signs_lib/init.lua
+++ b/signs_lib/init.lua
@@ -512,9 +512,7 @@ signs_lib.update_sign = function(pos, fields)
 		sign_info = signs_lib.yard_sign_model.textpos[minetest.get_node(pos).param2 + 1]
 	elseif signnode.name == "signs:sign_hanging" then
 		sign_info = signs_lib.hanging_sign_model.textpos[minetest.get_node(pos).param2 + 1]
-	elseif signnode.name == "default:sign_wall" 
-		or signnode.name == "signs:sign_wall_green"
-		or signnode.name == "signs:sign_wall_yellow" then
+	elseif string.find(signnode.name, "sign_wall") then
 		sign_info = signs_lib.wall_sign_model.textpos[minetest.get_node(pos).param2 + 1]
 	else -- ...it must be a sign on a fence post.
 		sign_info = signs_lib.sign_post_model.textpos[minetest.get_node(pos).param2 + 1]
@@ -593,7 +591,7 @@ function signs_lib.determine_sign_type(itemstack, placer, pointed_thing)
 			minetest.add_node(above, {name = "signs:sign_yard", param2 = fdir})
 			sign_info = signs_lib.yard_sign_model.textpos[fdir + 1]
 
-		else
+		else -- it must be a wooden or metal wall sign.
 			minetest.add_node(above, {name = signname, param2 = fdir})
 			sign_info = signs_lib.wall_sign_model.textpos[fdir + 1]
 		end
@@ -743,77 +741,47 @@ minetest.register_node(":signs:sign_post", {
     },
 })
 
-minetest.register_node(":signs:sign_wall_green", {
-	description = S("Sign (green, metal)"),
-	inventory_image = "signs_green_inv.png",
-	wield_image = "signs_green_inv.png",
-	node_placement_prediction = "",
-	paramtype = "light",
-	sunlight_propagates = true,
-	paramtype2 = "facedir",
-	drawtype = "nodebox",
-	node_box = signs_lib.wall_sign_model.nodebox,
-	tiles = {
-		"signs_green_top.png",
-		"signs_green_bottom.png",
-		"signs_green_sides.png",
-		"signs_green_sides.png",
-		"signs_back_metal.png",
-		"signs_green_front.png"
-	},
-	groups = sign_groups,
-	on_place = function(itemstack, placer, pointed_thing)
-		return signs_lib.determine_sign_type(itemstack, placer, pointed_thing)
-	end,
-	on_construct = function(pos)
-		signs_lib.construct_sign(pos)
-	end,
-	on_destruct = function(pos)
-		signs_lib.destruct_sign(pos)
-	end,
-	on_receive_fields = function(pos, formname, fields, sender)
-		signs_lib.receive_fields(pos, formname, fields, sender)
-	end,
-	on_punch = function(pos, node, puncher)
-		signs_lib.update_sign(pos)
-	end,
-})
+-- metal, colored signs
 
-minetest.register_node(":signs:sign_wall_yellow", {
-	description = S("Sign (yellow, metal)"),
-	inventory_image = "signs_yellow_inv.png",
-	wield_image = "signs_yellow_inv.png",
-	node_placement_prediction = "",
-	paramtype = "light",
-	sunlight_propagates = true,
-	paramtype2 = "facedir",
-	drawtype = "nodebox",
-	node_box = signs_lib.wall_sign_model.nodebox,
-	tiles = {
-		"signs_yellow_top.png",
-		"signs_yellow_bottom.png",
-		"signs_yellow_sides.png",
-		"signs_yellow_sides.png",
-		"signs_back_metal.png",
-		"signs_yellow_front.png"
-	},
-	groups = sign_groups,
-	on_place = function(itemstack, placer, pointed_thing)
-		return signs_lib.determine_sign_type(itemstack, placer, pointed_thing)
-	end,
-	on_construct = function(pos)
-		signs_lib.construct_sign(pos)
-	end,
-	on_destruct = function(pos)
-		signs_lib.destruct_sign(pos)
-	end,
-	on_receive_fields = function(pos, formname, fields, sender)
-		signs_lib.receive_fields(pos, formname, fields, sender)
-	end,
-	on_punch = function(pos, node, puncher)
-		signs_lib.update_sign(pos)
-	end,
-})
+local sign_colors = { "green", "yellow", "red", "white_red", "white_black" }
+
+for _, color in ipairs(sign_colors) do
+	minetest.register_node(":signs:sign_wall_"..color, {
+		description = S("Sign ("..color..", metal)"),
+		inventory_image = "signs_"..color.."_inv.png",
+		wield_image = "signs_"..color.."_inv.png",
+		node_placement_prediction = "",
+		paramtype = "light",
+		sunlight_propagates = true,
+		paramtype2 = "facedir",
+		drawtype = "nodebox",
+		node_box = signs_lib.wall_sign_model.nodebox,
+		tiles = {
+			"signs_metal_tb.png",
+			"signs_metal_tb.png",
+			"signs_metal_sides.png",
+			"signs_metal_sides.png",
+			"signs_metal_back.png",
+			"signs_"..color.."_front.png"
+		},
+		groups = sign_groups,
+		on_place = function(itemstack, placer, pointed_thing)
+			return signs_lib.determine_sign_type(itemstack, placer, pointed_thing)
+		end,
+		on_construct = function(pos)
+			signs_lib.construct_sign(pos)
+		end,
+		on_destruct = function(pos)
+			signs_lib.destruct_sign(pos)
+		end,
+		on_receive_fields = function(pos, formname, fields, sender)
+			signs_lib.receive_fields(pos, formname, fields, sender)
+		end,
+		on_punch = function(pos, node, puncher)
+			signs_lib.update_sign(pos)
+		end,
+	})
+end
 
 local signs_text_on_activate
 
@@ -925,7 +893,7 @@ minetest.register_abm({
 	end
 })
 
--- craft recipes for the green and yellow signs
+-- craft recipes for the metal signs
 
 minetest.register_craft( {
         output = "signs:sign_wall_green 4",
@@ -959,6 +927,54 @@ minetest.register_craft( {
         },
 })
 
+minetest.register_craft( {
+        output = "signs:sign_wall_red 4",
+        recipe = {
+			{ "dye:red", "dye:white", "dye:red" },
+			{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_red 2",
+        recipe = {
+			{ "dye:red", "dye:white", "dye:red" },
+			{ "steel:sheet_metal", "steel:sheet_metal", "steel:sheet_metal" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_white_red 4",
+        recipe = {
+			{ "dye:white", "dye:red", "dye:white" },
+			{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_white_red 2",
+        recipe = {
+			{ "dye:white", "dye:red", "dye:white" },
+			{ "steel:sheet_metal", "steel:sheet_metal", "steel:sheet_metal" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_white_black 4",
+        recipe = {
+			{ "dye:white", "dye:black", "dye:white" },
+			{ "default:steel_ingot", "default:steel_ingot", "default:steel_ingot" }
+        },
+})
+
+minetest.register_craft( {
+        output = "signs:sign_wall_white_black 2",
+        recipe = {
+			{ "dye:white", "dye:black", "dye:white" },
+			{ "steel:sheet_metal", "steel:sheet_metal", "steel:sheet_metal" }
+        },
+})
+
 if minetest.setting_get("log_mods") then
 	minetest.log("action", S("signs loaded"))
 end
diff --git a/signs_lib/textures/signs_green_bottom.png b/signs_lib/textures/signs_green_bottom.png
deleted file mode 100644
index b235befb..00000000
Binary files a/signs_lib/textures/signs_green_bottom.png and /dev/null differ
diff --git a/signs_lib/textures/signs_green_sides.png b/signs_lib/textures/signs_green_sides.png
deleted file mode 100644
index 928507d5..00000000
Binary files a/signs_lib/textures/signs_green_sides.png and /dev/null differ
diff --git a/signs_lib/textures/signs_green_top.png b/signs_lib/textures/signs_green_top.png
deleted file mode 100644
index b235befb..00000000
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diff --git a/signs_lib/textures/signs_back_metal.png b/signs_lib/textures/signs_metal_back.png
similarity index 100%
rename from signs_lib/textures/signs_back_metal.png
rename to signs_lib/textures/signs_metal_back.png
diff --git a/signs_lib/textures/signs_yellow_sides.png b/signs_lib/textures/signs_metal_sides.png
similarity index 100%
rename from signs_lib/textures/signs_yellow_sides.png
rename to signs_lib/textures/signs_metal_sides.png
diff --git a/signs_lib/textures/signs_yellow_bottom.png b/signs_lib/textures/signs_metal_tb.png
similarity index 100%
rename from signs_lib/textures/signs_yellow_bottom.png
rename to signs_lib/textures/signs_metal_tb.png
diff --git a/signs_lib/textures/signs_red_front.png b/signs_lib/textures/signs_red_front.png
new file mode 100644
index 00000000..dce72ce8
Binary files /dev/null and b/signs_lib/textures/signs_red_front.png differ
diff --git a/signs_lib/textures/signs_red_inv.png b/signs_lib/textures/signs_red_inv.png
new file mode 100644
index 00000000..12b9ed1c
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diff --git a/signs_lib/textures/signs_white_black_front.png b/signs_lib/textures/signs_white_black_front.png
new file mode 100644
index 00000000..10ecca00
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diff --git a/signs_lib/textures/signs_white_black_inv.png b/signs_lib/textures/signs_white_black_inv.png
new file mode 100644
index 00000000..e370dad9
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diff --git a/signs_lib/textures/signs_white_red_front.png b/signs_lib/textures/signs_white_red_front.png
new file mode 100644
index 00000000..f1fb05e8
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diff --git a/signs_lib/textures/signs_white_red_inv.png b/signs_lib/textures/signs_white_red_inv.png
new file mode 100644
index 00000000..4ed8d93d
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diff --git a/signs_lib/textures/signs_yellow_top.png b/signs_lib/textures/signs_yellow_top.png
deleted file mode 100644
index b235befb..00000000
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