diff --git a/OpenRA.Game/Traits/World/ResourceType.cs b/OpenRA.Game/Traits/World/ResourceType.cs
index 8b9680bd74..fde8923301 100644
--- a/OpenRA.Game/Traits/World/ResourceType.cs
+++ b/OpenRA.Game/Traits/World/ResourceType.cs
@@ -24,6 +24,8 @@ namespace OpenRA.Traits
 
 		public Sprite[][] Sprites;
 		public int PaletteIndex;
+
+		public PipType PipColor = PipType.Yellow;
 		
 		public object Create(ActorInitializer init) { return new ResourceType(this); }
 	}
diff --git a/OpenRA.Mods.RA/Harvester.cs b/OpenRA.Mods.RA/Harvester.cs
index ae2aef910a..b582143e56 100644
--- a/OpenRA.Mods.RA/Harvester.cs
+++ b/OpenRA.Mods.RA/Harvester.cs
@@ -11,7 +11,6 @@
 using System.Collections.Generic;
 using System.Drawing;
 using System.Linq;
-using OpenRA.Effects;
 using OpenRA.Mods.RA.Activities;
 using OpenRA.Mods.RA.Move;
 using OpenRA.Mods.RA.Orders;
@@ -23,7 +22,6 @@ namespace OpenRA.Mods.RA
 	{
 		public readonly int Capacity = 28;
 		public readonly int PipCount = 7;
-		public readonly PipType PipColor = PipType.Yellow;
 		public readonly string[] Resources = { };
 		public readonly decimal FullyLoadedSpeed = .85m;
 
@@ -168,20 +166,27 @@ namespace OpenRA.Mods.RA
 				return;
 
 			ChooseNewProc(self, proc);
+		}
+
+		PipType GetPipAt(int i)
+		{
+			var n = i * Info.Capacity / Info.PipCount;
+
+			foreach (var rt in contents)
+				if (n < rt.Value)
+					return rt.Key.PipColor;
+				else
+					n -= rt.Value;
+
+			return PipType.Transparent;
 		}
 		
 		public IEnumerable<PipType> GetPips(Actor self)
 		{
-			int numPips = Info.PipCount;
-			int n = contents.Values.Sum();
-
-			for (int i = 0; i < numPips; i++)
-			{
-				if (n * 1.0f / Info.Capacity > i * 1.0f / numPips)
-					yield return Info.PipColor;
-				else
-					yield return PipType.Transparent;
-			}
+			int numPips = Info.PipCount;
+
+			for (int i = 0; i < numPips; i++)
+				yield return GetPipAt(i);
 		}
 				
 		public IEnumerable<Renderable> ModifyRender(Actor self, IEnumerable<Renderable> r)
diff --git a/mods/cnc/rules/system.yaml b/mods/cnc/rules/system.yaml
index c3fa8473c1..66ad732eac 100644
--- a/mods/cnc/rules/system.yaml
+++ b/mods/cnc/rules/system.yaml
@@ -137,6 +137,7 @@ World:
 		SpriteNames: ti1,ti2,ti3,ti4,ti5,ti6,ti7,ti8,ti9,ti10,ti11,ti12
 		ValuePerUnit: 30
 		Name: Tiberium
+		PipColor: Green
 	ResourceType@blue-tib:
 		ResourceType: 2
 		Palette: terrain
@@ -144,6 +145,7 @@ World:
 		SpriteNames: bti1,bti2,bti3,bti4,bti5,bti6,bti7,bti8,bti9,bti10,bti11,bti12
 		ValuePerUnit: 60
 		Name: Blue Tiberium
+		PipColor: Red					# todo: add a blue pip.
 	SmudgeLayer@SCORCH:
 		Type:Scorch
 		Types:sc1,sc2,sc3,sc4,sc5,sc6
diff --git a/mods/cnc/rules/vehicles.yaml b/mods/cnc/rules/vehicles.yaml
index b19e234ac9..b5eb383a65 100644
--- a/mods/cnc/rules/vehicles.yaml
+++ b/mods/cnc/rules/vehicles.yaml
@@ -49,7 +49,6 @@ HARV:
 	Harvester:
 		Resources: Tiberium, Blue Tiberium
 		PipCount: 5
-		PipColor: Green
 		Capacity: 28
 	Mobile:
 		Speed: 6
diff --git a/mods/ra/rules/system.yaml b/mods/ra/rules/system.yaml
index b66cccdd42..63b68345bb 100644
--- a/mods/ra/rules/system.yaml
+++ b/mods/ra/rules/system.yaml
@@ -201,12 +201,14 @@ World:
 		SpriteNames: gold01,gold02,gold03,gold04
 		ValuePerUnit: 25
 		Name: Ore
+		PipColor: Yellow
 	ResourceType@gem:
 		ResourceType: 2
 		Palette: terrain
 		SpriteNames: gem01,gem02,gem03,gem04
 		ValuePerUnit: 50
 		Name: Gems
+		PipColor: Red
 	SmudgeLayer@SCORCH:
 		Type:Scorch
 		Types:sc1,sc2,sc3,sc4,sc5,sc6