diff --git a/Sources/Model/Dice/AbstractDie.cs b/Sources/Model/Dice/AbstractDie.cs
index 2340067..d9c4626 100644
--- a/Sources/Model/Dice/AbstractDie.cs
+++ b/Sources/Model/Dice/AbstractDie.cs
@@ -5,7 +5,7 @@ using Model.Dice.Faces;
 
 namespace Model.Dice
 {
-    public abstract class AbstractDie<T> : RandomnessHaver where T : AbstractDieFace
+    public abstract class AbstractDie<T,G> : RandomnessHaver where T : AbstractDieFace<G>
     {
         public IEnumerable<T> ListFaces => listFaces;
 
diff --git a/Sources/Model/Dice/ColorDie.cs b/Sources/Model/Dice/ColorDie.cs
index 454e4d6..b5f016b 100644
--- a/Sources/Model/Dice/ColorDie.cs
+++ b/Sources/Model/Dice/ColorDie.cs
@@ -3,13 +3,14 @@ using System;
 using System.Collections;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using System.Drawing;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace Model.Dice
 {
-    public class ColorDie : AbstractDie<AbstractDieFace>
+    public class ColorDie : AbstractDie<ColorDieFace,Color>
     {
         public ColorDie(params ColorDieFace[] faces) : base(faces)
         {
diff --git a/Sources/Model/Dice/Faces/AbstractDieFace.cs b/Sources/Model/Dice/Faces/AbstractDieFace.cs
index ae09083..3872a0f 100644
--- a/Sources/Model/Dice/Faces/AbstractDieFace.cs
+++ b/Sources/Model/Dice/Faces/AbstractDieFace.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace Model.Dice.Faces
 {
-    public abstract class AbstractDieFace
+    public abstract class AbstractDieFace<T>
     {
         /// <summary>
         /// every die face has a value, and they can all be represented by an int,
@@ -14,9 +14,14 @@ namespace Model.Dice.Faces
         /// <br/>
         /// USE GetPracticalValue for a Value specific to face type
         /// </summary>
-        public int Value { get; protected set; }
+        public T Value { get; protected set; }
 
-        public abstract object GetPracticalValue();
+        public abstract T GetPracticalValue();
+
+        public AbstractDieFace(T value)
+        {
+            Value = value;
+        }
 
         public override string ToString()
         {
diff --git a/Sources/Model/Dice/Faces/ColorDieFace.cs b/Sources/Model/Dice/Faces/ColorDieFace.cs
index 77b5d3c..4465203 100644
--- a/Sources/Model/Dice/Faces/ColorDieFace.cs
+++ b/Sources/Model/Dice/Faces/ColorDieFace.cs
@@ -1,45 +1,26 @@
 using System;
 using System.Collections.Generic;
+using System.Drawing;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace Model.Dice.Faces
 {
-    public class ColorDieFace : AbstractDieFace
+    public class ColorDieFace : AbstractDieFace<Color>
     {
-        private static readonly int MAX_HEX = 16777215;
+        
         /// <summary>
-        /// accepts hex strings like "ffbb84" and "#af567d" ([RRGGBB])
         /// </summary>
-        /// <param name="hexValueString">hex string</param>
-        public ColorDieFace(string hexValueString)
-        {
-            // https://stackoverflow.com/questions/1139957/convert-integer-to-hexadecimal-and-back-again
-            // we remove any initial '#' before parsing
-            if (hexValueString.StartsWith('#'))
-            {
-                hexValueString = hexValueString[1..];
-            }
-
-            int result = int.Parse(hexValueString, System.Globalization.NumberStyles.HexNumber);
+        /// <param name="hexValueString">Color type</param>
+        public ColorDieFace(Color hexValueString):base(hexValueString)
+        {}
 
-            if (result < 0) Value = 0;
-            else if (result > MAX_HEX) Value = MAX_HEX;
-            else Value = result;
-        }
 
-        /// <summary>
-        /// accepts a decimal value that represents a color hex (0 is black, 65280 is green...)
-        /// </summary>
-        /// <param name="decimalValue"></param>
-        public ColorDieFace(int decimalValue)
-            : this(decimalValue.ToString())
-        { }
-        public override object GetPracticalValue()
+        public override Color GetPracticalValue()
         {
             // https://stackoverflow.com/questions/1139957/convert-integer-to-hexadecimal-and-back-again
-            return Value.ToString("X6").Insert(0, "#");
+            return Value;
         }
     }
 }
diff --git a/Sources/Model/Dice/Faces/ImageDieFace.cs b/Sources/Model/Dice/Faces/ImageDieFace.cs
index 84d472b..671951f 100644
--- a/Sources/Model/Dice/Faces/ImageDieFace.cs
+++ b/Sources/Model/Dice/Faces/ImageDieFace.cs
@@ -7,21 +7,16 @@ using System.Threading.Tasks;
 
 namespace Model.Dice.Faces
 {
-    public class ImageDieFace : AbstractDieFace
+    public class ImageDieFace : AbstractDieFace<Uri>
     {
-        public ImageDieFace(string uri)
-        {
-            Value = int.Parse(Path.GetFileNameWithoutExtension(uri));
-        }
+        public ImageDieFace(Uri uri):base(uri)
+        {}
+
 
-        public ImageDieFace(int code)
-        {
-            Value = code;
-        }
 
-        public override object GetPracticalValue()
+        public override Uri GetPracticalValue()
         {
-            return string.Format($"Assets/images/{Value}.png");
+            return Value;
         }
     }
 }
diff --git a/Sources/Model/Dice/Faces/NumberDieFace.cs b/Sources/Model/Dice/Faces/NumberDieFace.cs
index 5aa7adf..3bb494e 100644
--- a/Sources/Model/Dice/Faces/NumberDieFace.cs
+++ b/Sources/Model/Dice/Faces/NumberDieFace.cs
@@ -6,14 +6,12 @@ using System.Threading.Tasks;
 
 namespace Model.Dice.Faces
 {
-    public class NumberDieFace : AbstractDieFace
+    public class NumberDieFace : AbstractDieFace<int>
     {
-        public NumberDieFace(int value)
-        {
-            Value = value;
-        }
+        public NumberDieFace(int value):base(value)
+        {}
 
-        public override object GetPracticalValue()
+        public override int GetPracticalValue()
         {
             return Value;
         }
diff --git a/Sources/Model/Dice/ImageDie.cs b/Sources/Model/Dice/ImageDie.cs
index 7a8879b..c537221 100644
--- a/Sources/Model/Dice/ImageDie.cs
+++ b/Sources/Model/Dice/ImageDie.cs
@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 
 namespace Model.Dice
 {
-    public class ImageDie : AbstractDie<AbstractDieFace>
+    public class ImageDie : AbstractDie<ImageDieFace,Uri>
     {
         public ImageDie(params ImageDieFace[] faces) : base(faces)
         {
diff --git a/Sources/Model/Dice/NumberDie.cs b/Sources/Model/Dice/NumberDie.cs
index 013c5fa..bb8435e 100644
--- a/Sources/Model/Dice/NumberDie.cs
+++ b/Sources/Model/Dice/NumberDie.cs
@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 
 namespace Model.Dice
 {
-    public class NumberDie : AbstractDie<AbstractDieFace>
+    public class NumberDie : AbstractDie<NumberDieFace,int>
     {
         public NumberDie(params NumberDieFace[] faces) : base(faces)
         {