diff --git a/mods/ITEMS/mcl_maps/colors.json b/mods/ITEMS/mcl_maps/colors.json
index 052e1b7e6..e8b05da64 100644
--- a/mods/ITEMS/mcl_maps/colors.json
+++ b/mods/ITEMS/mcl_maps/colors.json
@@ -418,6 +418,7 @@
 	"mcl_core:granite_smooth":	[ 150, 121, 110 ],
 	"mcl_core:grass_path":	[ 125, 101, 50 ],
 	"mcl_core:gravel":	[ 112, 106, 100 ],
+	"mcl_core:greysand":	[ 178, 178, 178 ],
 	"mcl_core:ice":	[ 145, 198, 227 ],
 	"mcl_core:ironblock":	[ 159, 151, 151 ],
 	"mcl_core:jungleleaves":	[ [ 50, 88, 54 ], [ 63, 105, 54 ], [ 68, 94, 55 ], [ 92, 103, 53 ], [ 92, 103, 53 ], [ 43, 57, 27 ], [ 54, 101, 49 ], [ 54, 101, 49 ], [ 128, 100, 47 ], [ 52, 105, 40 ], [ 20, 93, 48 ], [ 53, 97, 55 ], [ 54, 97, 35 ], [ 54, 97, 35 ], [ 47, 82, 37 ], [ 52, 94, 39 ], [ 50, 88, 54 ], [ 54, 101, 49 ] ],
@@ -995,11 +996,53 @@
 	"mcl_meshhand:mcl_skins_character_1_female_surv":	[ 93, 91, 78 ],
 	"mcl_minecarts:activator_rail":	[ 79, 64, 56, 149 ],
 	"mcl_minecarts:activator_rail_on":	[ 87, 63, 55, 149 ],
+	"mcl_minecarts:activator_rail_v2":	[ 79, 64, 56, 149 ],
+	"mcl_minecarts:activator_rail_v2_corner":	[ 67, 57, 53, 86 ],
+	"mcl_minecarts:activator_rail_v2_cross":	[ 66, 57, 53, 167 ],
+	"mcl_minecarts:activator_rail_v2_on":	[ 87, 63, 55, 149 ],
+	"mcl_minecarts:activator_rail_v2_on_corner":	[ 75, 55, 52, 86 ],
+	"mcl_minecarts:activator_rail_v2_on_cross":	[ 73, 56, 52, 167 ],
+	"mcl_minecarts:activator_rail_v2_on_sloped":	[ 87, 63, 55, 149 ],
+	"mcl_minecarts:activator_rail_v2_on_tee_off":	[ 77, 62, 56, 164 ],
+	"mcl_minecarts:activator_rail_v2_on_tee_on":	[ 77, 62, 56, 164 ],
+	"mcl_minecarts:activator_rail_v2_sloped":	[ 79, 64, 56, 149 ],
+	"mcl_minecarts:activator_rail_v2_tee_off":	[ 73, 62, 57, 164 ],
+	"mcl_minecarts:activator_rail_v2_tee_on":	[ 73, 62, 57, 164 ],
 	"mcl_minecarts:detector_rail":	[ 86, 75, 68, 166 ],
 	"mcl_minecarts:detector_rail_on":	[ 88, 74, 67, 160 ],
+	"mcl_minecarts:detector_rail_v2":	[ 86, 75, 68, 166 ],
+	"mcl_minecarts:detector_rail_v2_corner":	[ 78, 70, 67, 118 ],
+	"mcl_minecarts:detector_rail_v2_cross":	[ 77, 70, 65, 187 ],
+	"mcl_minecarts:detector_rail_v2_on":	[ 88, 74, 67, 160 ],
+	"mcl_minecarts:detector_rail_v2_on_corner":	[ 82, 68, 65, 117 ],
+	"mcl_minecarts:detector_rail_v2_on_cross":	[ 78, 69, 64, 181 ],
+	"mcl_minecarts:detector_rail_v2_on_sloped":	[ 88, 74, 67, 160 ],
+	"mcl_minecarts:detector_rail_v2_on_tee_off":	[ 77, 67, 62, 175 ],
+	"mcl_minecarts:detector_rail_v2_on_tee_on":	[ 77, 67, 62, 175 ],
+	"mcl_minecarts:detector_rail_v2_sloped":	[ 86, 75, 68, 166 ],
+	"mcl_minecarts:detector_rail_v2_tee_off":	[ 74, 66, 61, 175 ],
+	"mcl_minecarts:detector_rail_v2_tee_on":	[ 74, 66, 61, 175 ],
 	"mcl_minecarts:golden_rail":	[ 92, 78, 61, 148 ],
 	"mcl_minecarts:golden_rail_on":	[ 95, 78, 60, 148 ],
+	"mcl_minecarts:golden_rail_v2":	[ 92, 78, 61, 148 ],
+	"mcl_minecarts:golden_rail_v2_corner":	[ 86, 73, 58, 99 ],
+	"mcl_minecarts:golden_rail_v2_cross":	[ 83, 71, 55 ],
+	"mcl_minecarts:golden_rail_v2_on":	[ 95, 78, 60, 148 ],
+	"mcl_minecarts:golden_rail_v2_on_corner":	[ 89, 72, 57, 99 ],
+	"mcl_minecarts:golden_rail_v2_on_cross":	[ 86, 70, 54 ],
+	"mcl_minecarts:golden_rail_v2_on_sloped":	[ 95, 78, 60, 148 ],
+	"mcl_minecarts:golden_rail_v2_on_tee_off":	[ 82, 70, 59, 166 ],
+	"mcl_minecarts:golden_rail_v2_on_tee_on":	[ 82, 70, 59, 166 ],
+	"mcl_minecarts:golden_rail_v2_sloped":	[ 92, 78, 61, 148 ],
+	"mcl_minecarts:golden_rail_v2_tee_off":	[ 81, 70, 59, 166 ],
+	"mcl_minecarts:golden_rail_v2_tee_on":	[ 81, 70, 59, 166 ],
 	"mcl_minecarts:rail":	[ 84, 71, 61, 124 ],
+	"mcl_minecarts:rail_v2":	[ 84, 71, 61, 124 ],
+	"mcl_minecarts:rail_v2_corner":	[ 76, 67, 61, 85 ],
+	"mcl_minecarts:rail_v2_cross":	[ 80, 68, 60 ],
+	"mcl_minecarts:rail_v2_sloped":	[ 84, 71, 61, 124 ],
+	"mcl_minecarts:rail_v2_tee_off":	[ 79, 69, 61, 159 ],
+	"mcl_minecarts:rail_v2_tee_on":	[ 79, 69, 61, 159 ],
 	"mcl_mobspawners:spawner":	[ 40, 40, 40, 167 ],
 	"mcl_monster_eggs:monster_egg_cobble":	[ 113, 107, 104 ],
 	"mcl_monster_eggs:monster_egg_stone":	[ 131, 123, 118 ],
diff --git a/tools/minetestmapper/generate_colorstxt.py b/tools/minetestmapper/generate_colorstxt.py
index f55666e58..15cd456b7 100755
--- a/tools/minetestmapper/generate_colorstxt.py
+++ b/tools/minetestmapper/generate_colorstxt.py
@@ -140,6 +140,8 @@ class Filename:
 		self.fn = tokens[0]
 	
 	def gen(self, prev=None):
+		if self.fn == "blank.png":
+			return Image.new("RGBA", (1,1), (0, 0, 0, 0))
 		if not self.fn in textures:
 			raise FileNotFoundError(self.fn)
 		im = Image.open(textures[self.fn]).convert('RGBA')