diff --git a/BizHawk.MultiClient/Config.cs b/BizHawk.MultiClient/Config.cs
index 86f24df627..3241dac090 100644
--- a/BizHawk.MultiClient/Config.cs
+++ b/BizHawk.MultiClient/Config.cs
@@ -613,6 +613,7 @@ namespace BizHawk.MultiClient
 		public bool GB_ForceDMG = false;
 		public bool GB_GBACGB = false;
 		public bool GB_MulticartCompat = false;
+		public string GB_PaletteFile = "";
 
 		//GIF Animator Settings
 		public int GifAnimatorNumFrames;
diff --git a/BizHawk.MultiClient/GBtools/ColorChooserForm.Designer.cs b/BizHawk.MultiClient/GBtools/ColorChooserForm.Designer.cs
index 24bf66cb70..59db41df4f 100644
--- a/BizHawk.MultiClient/GBtools/ColorChooserForm.Designer.cs
+++ b/BizHawk.MultiClient/GBtools/ColorChooserForm.Designer.cs
@@ -45,11 +45,13 @@
 			this.label3 = new System.Windows.Forms.Label();
 			this.OK = new System.Windows.Forms.Button();
 			this.Cancel = new System.Windows.Forms.Button();
-			this.button3 = new System.Windows.Forms.Button();
-			this.button4 = new System.Windows.Forms.Button();
-			this.button5 = new System.Windows.Forms.Button();
-			this.button6 = new System.Windows.Forms.Button();
-			this.button7 = new System.Windows.Forms.Button();
+			this.buttonInterpolateBG = new System.Windows.Forms.Button();
+			this.buttonInterpolateSP1 = new System.Windows.Forms.Button();
+			this.buttonInterpolateSP2 = new System.Windows.Forms.Button();
+			this.buttonLoad = new System.Windows.Forms.Button();
+			this.buttonSave = new System.Windows.Forms.Button();
+			this.textBox1 = new System.Windows.Forms.TextBox();
+			this.label4 = new System.Windows.Forms.Label();
 			this.SuspendLayout();
 			// 
 			// panel1
@@ -191,73 +193,94 @@
 			// 
 			this.OK.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
 			this.OK.DialogResult = System.Windows.Forms.DialogResult.OK;
-			this.OK.Location = new System.Drawing.Point(145, 211);
+			this.OK.Location = new System.Drawing.Point(140, 221);
 			this.OK.Name = "OK";
 			this.OK.Size = new System.Drawing.Size(75, 23);
 			this.OK.TabIndex = 22;
 			this.OK.Text = "&OK";
 			this.OK.UseVisualStyleBackColor = true;
+			this.OK.Click += new System.EventHandler(this.OK_Click);
 			// 
 			// Cancel
 			// 
 			this.Cancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
 			this.Cancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
-			this.Cancel.Location = new System.Drawing.Point(226, 211);
+			this.Cancel.Location = new System.Drawing.Point(221, 221);
 			this.Cancel.Name = "Cancel";
 			this.Cancel.Size = new System.Drawing.Size(75, 23);
 			this.Cancel.TabIndex = 23;
 			this.Cancel.Text = "&Cancel";
 			this.Cancel.UseVisualStyleBackColor = true;
 			// 
-			// button3
+			// buttonInterpolateBG
 			// 
-			this.button3.Location = new System.Drawing.Point(226, 22);
-			this.button3.Name = "button3";
-			this.button3.Size = new System.Drawing.Size(75, 23);
-			this.button3.TabIndex = 25;
-			this.button3.Text = "Interpolate";
-			this.button3.UseVisualStyleBackColor = true;
-			this.button3.Click += new System.EventHandler(this.button3_Click);
+			this.buttonInterpolateBG.Location = new System.Drawing.Point(226, 22);
+			this.buttonInterpolateBG.Name = "buttonInterpolateBG";
+			this.buttonInterpolateBG.Size = new System.Drawing.Size(75, 23);
+			this.buttonInterpolateBG.TabIndex = 25;
+			this.buttonInterpolateBG.Text = "Interpolate";
+			this.buttonInterpolateBG.UseVisualStyleBackColor = true;
+			this.buttonInterpolateBG.Click += new System.EventHandler(this.button3_Click);
 			// 
-			// button4
+			// buttonInterpolateSP1
 			// 
-			this.button4.Location = new System.Drawing.Point(226, 61);
-			this.button4.Name = "button4";
-			this.button4.Size = new System.Drawing.Size(75, 23);
-			this.button4.TabIndex = 26;
-			this.button4.Text = "Interpolate";
-			this.button4.UseVisualStyleBackColor = true;
-			this.button4.Click += new System.EventHandler(this.button4_Click);
+			this.buttonInterpolateSP1.Location = new System.Drawing.Point(226, 61);
+			this.buttonInterpolateSP1.Name = "buttonInterpolateSP1";
+			this.buttonInterpolateSP1.Size = new System.Drawing.Size(75, 23);
+			this.buttonInterpolateSP1.TabIndex = 26;
+			this.buttonInterpolateSP1.Text = "Interpolate";
+			this.buttonInterpolateSP1.UseVisualStyleBackColor = true;
+			this.buttonInterpolateSP1.Click += new System.EventHandler(this.button4_Click);
 			// 
-			// button5
+			// buttonInterpolateSP2
 			// 
-			this.button5.Location = new System.Drawing.Point(226, 98);
-			this.button5.Name = "button5";
-			this.button5.Size = new System.Drawing.Size(75, 23);
-			this.button5.TabIndex = 27;
-			this.button5.Text = "Interpolate";
-			this.button5.UseVisualStyleBackColor = true;
-			this.button5.Click += new System.EventHandler(this.button5_Click);
+			this.buttonInterpolateSP2.Location = new System.Drawing.Point(226, 98);
+			this.buttonInterpolateSP2.Name = "buttonInterpolateSP2";
+			this.buttonInterpolateSP2.Size = new System.Drawing.Size(75, 23);
+			this.buttonInterpolateSP2.TabIndex = 27;
+			this.buttonInterpolateSP2.Text = "Interpolate";
+			this.buttonInterpolateSP2.UseVisualStyleBackColor = true;
+			this.buttonInterpolateSP2.Click += new System.EventHandler(this.button5_Click);
 			// 
-			// button6
+			// buttonLoad
 			// 
-			this.button6.Location = new System.Drawing.Point(42, 137);
-			this.button6.Name = "button6";
-			this.button6.Size = new System.Drawing.Size(60, 23);
-			this.button6.TabIndex = 28;
-			this.button6.Text = "Load...";
-			this.button6.UseVisualStyleBackColor = true;
-			this.button6.Click += new System.EventHandler(this.button6_Click);
+			this.buttonLoad.Location = new System.Drawing.Point(42, 137);
+			this.buttonLoad.Name = "buttonLoad";
+			this.buttonLoad.Size = new System.Drawing.Size(60, 23);
+			this.buttonLoad.TabIndex = 28;
+			this.buttonLoad.Text = "Load...";
+			this.buttonLoad.UseVisualStyleBackColor = true;
+			this.buttonLoad.Click += new System.EventHandler(this.button6_Click);
 			// 
-			// button7
+			// buttonSave
 			// 
-			this.button7.Location = new System.Drawing.Point(114, 137);
-			this.button7.Name = "button7";
-			this.button7.Size = new System.Drawing.Size(60, 23);
-			this.button7.TabIndex = 29;
-			this.button7.Text = "Save...";
-			this.button7.UseVisualStyleBackColor = true;
-			this.button7.Click += new System.EventHandler(this.button7_Click);
+			this.buttonSave.Location = new System.Drawing.Point(114, 137);
+			this.buttonSave.Name = "buttonSave";
+			this.buttonSave.Size = new System.Drawing.Size(60, 23);
+			this.buttonSave.TabIndex = 29;
+			this.buttonSave.Text = "Save...";
+			this.buttonSave.UseVisualStyleBackColor = true;
+			this.buttonSave.Click += new System.EventHandler(this.button7_Click);
+			// 
+			// textBox1
+			// 
+			this.textBox1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)
+						| System.Windows.Forms.AnchorStyles.Right)));
+			this.textBox1.Location = new System.Drawing.Point(17, 195);
+			this.textBox1.Name = "textBox1";
+			this.textBox1.ReadOnly = true;
+			this.textBox1.Size = new System.Drawing.Size(279, 20);
+			this.textBox1.TabIndex = 30;
+			// 
+			// label4
+			// 
+			this.label4.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+			this.label4.AutoSize = true;
+			this.label4.Location = new System.Drawing.Point(14, 179);
+			this.label4.Name = "label4";
+			this.label4.Size = new System.Drawing.Size(95, 13);
+			this.label4.TabIndex = 31;
+			this.label4.Text = "Current palette file:";
 			// 
 			// ColorChooserForm
 			// 
@@ -266,12 +289,14 @@
 			this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
 			this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
 			this.CancelButton = this.Cancel;
-			this.ClientSize = new System.Drawing.Size(315, 244);
-			this.Controls.Add(this.button7);
-			this.Controls.Add(this.button6);
-			this.Controls.Add(this.button5);
-			this.Controls.Add(this.button4);
-			this.Controls.Add(this.button3);
+			this.ClientSize = new System.Drawing.Size(310, 254);
+			this.Controls.Add(this.label4);
+			this.Controls.Add(this.textBox1);
+			this.Controls.Add(this.buttonSave);
+			this.Controls.Add(this.buttonLoad);
+			this.Controls.Add(this.buttonInterpolateSP2);
+			this.Controls.Add(this.buttonInterpolateSP1);
+			this.Controls.Add(this.buttonInterpolateBG);
 			this.Controls.Add(this.Cancel);
 			this.Controls.Add(this.OK);
 			this.Controls.Add(this.label3);
@@ -318,10 +343,12 @@
 		private System.Windows.Forms.Label label3;
 		private System.Windows.Forms.Button OK;
 		private System.Windows.Forms.Button Cancel;
-		private System.Windows.Forms.Button button3;
-		private System.Windows.Forms.Button button4;
-		private System.Windows.Forms.Button button5;
-		private System.Windows.Forms.Button button6;
-		private System.Windows.Forms.Button button7;
+		private System.Windows.Forms.Button buttonInterpolateBG;
+		private System.Windows.Forms.Button buttonInterpolateSP1;
+		private System.Windows.Forms.Button buttonInterpolateSP2;
+		private System.Windows.Forms.Button buttonLoad;
+		private System.Windows.Forms.Button buttonSave;
+		private System.Windows.Forms.TextBox textBox1;
+		private System.Windows.Forms.Label label4;
 	}
 }
\ No newline at end of file
diff --git a/BizHawk.MultiClient/GBtools/ColorChooserForm.cs b/BizHawk.MultiClient/GBtools/ColorChooserForm.cs
index 18e4bfa240..8509b2ef1b 100644
--- a/BizHawk.MultiClient/GBtools/ColorChooserForm.cs
+++ b/BizHawk.MultiClient/GBtools/ColorChooserForm.cs
@@ -12,13 +12,22 @@ namespace BizHawk.MultiClient.GBtools
 {
 	public partial class ColorChooserForm : Form
 	{
-		public ColorChooserForm()
+		ColorChooserForm()
 		{
 			InitializeComponent();
 		}
 
 		Color[] colors = new Color[12];
 
+		/// <summary>
+		/// the most recently loaded or saved palette file
+		/// </summary>
+		string currentfile;
+		/// <summary>
+		/// whether currentfile has been modified
+		/// </summary>
+		bool filemodified;
+
 		/// <summary>
 		/// gambatte's default dmg colors
 		/// </summary>
@@ -132,8 +141,13 @@ namespace BizHawk.MultiClient.GBtools
 
 				if (result == System.Windows.Forms.DialogResult.OK)
 				{
-					colors[i] = dlg.Color;
-					sender.BackColor = colors[i];
+					if (colors[i] != dlg.Color)
+					{
+						colors[i] = dlg.Color;
+						sender.BackColor = colors[i];
+						filemodified = true;
+						label4.Text = "Current palette file (modified):";
+					}
 				}
 			}
 		}
@@ -220,7 +234,16 @@ namespace BizHawk.MultiClient.GBtools
 			{
 				//if (colors != null)
 				//	dlg.SetAllColors(colors);
+
 				dlg.SetAllColors(DefaultColors);
+				dlg.textBox1.Text = "(none)";
+				dlg.currentfile = "";
+				dlg.filemodified = false;
+
+				if (!string.IsNullOrEmpty(Global.Config.GB_PaletteFile))
+				{
+					dlg.LoadColorFile(Global.Config.GB_PaletteFile, false);
+				}
 
 				var result = dlg.ShowDialog(parent);
 				if (result != DialogResult.OK)
@@ -233,12 +256,13 @@ namespace BizHawk.MultiClient.GBtools
 					for (int i = 0; i < 12; i++)
 						colorints[i] = dlg.colors[i].ToArgb();
 					ColorUpdater(colorints);
+					Global.Config.GB_PaletteFile = dlg.currentfile;
 					return true;
 				}
 			}
 		}
 
-		void LoadColorFile(string filename)
+		void LoadColorFile(string filename, bool alert)
 		{
 			try
 			{
@@ -249,11 +273,16 @@ namespace BizHawk.MultiClient.GBtools
 						throw new Exception();
 
 					SetAllColors(newcolors);
+					textBox1.Text = Path.GetFileName(filename);
+					currentfile = filename;
+					filemodified = false;
+					label4.Text = "Current palette file:";
 				}
 			}
 			catch
 			{
-				MessageBox.Show(this, "Error loading .pal file!");
+				if (alert)
+					MessageBox.Show(this, "Error loading .pal file!");
 			}
 		}
 
@@ -268,6 +297,9 @@ namespace BizHawk.MultiClient.GBtools
 						// clear alpha because gambatte color files don't usually contain it
 						savecolors[i] = colors[i].ToArgb() & 0xffffff;
 					SavePalFile(f, savecolors);
+					currentfile = filename;
+					filemodified = false;
+					label4.Text = "Current palette file:";
 				}
 			}
 			catch
@@ -288,7 +320,7 @@ namespace BizHawk.MultiClient.GBtools
 				if (result != System.Windows.Forms.DialogResult.OK)
 					return;
 
-				LoadColorFile(ofd.FileName);
+				LoadColorFile(ofd.FileName, true);
 			}
 		}
 
@@ -300,7 +332,7 @@ namespace BizHawk.MultiClient.GBtools
 
 				if (files.Length > 1)
 					return;
-				LoadColorFile(files[0]);
+				LoadColorFile(files[0], true);
 			}
 		}
 
@@ -316,9 +348,10 @@ namespace BizHawk.MultiClient.GBtools
 		{
 			using (var sfd = new SaveFileDialog())
 			{
-				sfd.InitialDirectory = Global.Config.PathGBPalettes;
+				sfd.InitialDirectory = Path.GetDirectoryName(currentfile);
 				sfd.Filter = "Gambatte Palettes (*.pal)|*.pal|All Files|*.*";
 				sfd.RestoreDirectory = true;
+				sfd.FileName = Path.GetFileName(currentfile);
 
 				var result = sfd.ShowDialog(this);
 				if (result != System.Windows.Forms.DialogResult.OK)
@@ -327,5 +360,9 @@ namespace BizHawk.MultiClient.GBtools
 				SaveColorFile(sfd.FileName);
 			}
 		}
+
+		private void OK_Click(object sender, EventArgs e)
+		{
+		}
 	}
 }
diff --git a/BizHawk.MultiClient/MainForm.cs b/BizHawk.MultiClient/MainForm.cs
index 01be8237cd..8ada7d7d66 100644
--- a/BizHawk.MultiClient/MainForm.cs
+++ b/BizHawk.MultiClient/MainForm.cs
@@ -1416,6 +1416,16 @@ namespace BizHawk.MultiClient
 								if (Global.Config.GB_MulticartCompat) game.AddOption("MulitcartCompat");
 								Emulation.Consoles.GB.Gameboy gb = new Emulation.Consoles.GB.Gameboy(game, rom.FileData);
 								nextEmulator = gb;
+								try
+								{
+									using (StreamReader f = new StreamReader(Global.Config.GB_PaletteFile))
+									{
+										int[] colors = GBtools.ColorChooserForm.LoadPalFile(f);
+										if (colors != null)
+											gb.ChangeDMGColors(colors);
+									}
+								}
+								catch { }
 								break;
 							case "COLV":
 								SMS c = new SMS(game, rom.RomData);//new ColecoVision(game, rom.FileData);