I think I got the palettes read

Models/PaletteModel.cs

@@ -32,26 +32,23 @@ namespace fxl.codes.kisekae.Models
 
         public string FileName { get; }
         public string Comment { get; }
-        
-        public Color[] Colors { get; private set; }
-
-        public void ParseColors(byte[] bytes, int depth)
-        {
-            Colors = new Color[0];
-        }
+        public Color[] Colors { get; set; }
     }
 
     public class Color
     {
-        public Color(int red, int green, int blue)
+        public Color(int red, int green, int blue, int group, int depth)
         {
-            Red = red;
-            Green = green;
-            Blue = blue;
+            var multiplier = depth == 12 ? 16 : 1;
+            Red = red * multiplier;
+            Green = green * multiplier;
+            Blue = blue * multiplier;
+            Group = group;
         }
 
         public int Red { get; }
         public int Green { get; }
         public int Blue { get; }
+        public int Group { get; }
     }
 }