diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/Colors/XLColor_Public.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/Colors/XLColor_Public.cs
index 870443d..754c03b 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/Colors/XLColor_Public.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/Colors/XLColor_Public.cs
@@ -104,5 +104,16 @@
         {
             return _hashCode;
         }
+
+        public override string ToString()
+        {
+            if (_colorType == XLColorType.Color)
+                return Color.ToHex();
+
+            if (_colorType == XLColorType.Theme)
+                return String.Format("Color Theme: {0}, Tint: {1}", _themeColor.ToString(), _themeTint.ToString());
+
+            return "Color Index: " + _indexed;
+        }
     }
 }
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLBorder.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLBorder.cs
index 82c924d..f4cbf63 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLBorder.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLBorder.cs
@@ -433,23 +433,23 @@
             var sb = new StringBuilder();
             sb.Append(LeftBorder.ToString());
             sb.Append("-");
-            sb.Append(LeftBorderColor.ToString());
+            sb.Append(LeftBorderColor);
             sb.Append("-");
             sb.Append(RightBorder.ToString());
             sb.Append("-");
-            sb.Append(RightBorderColor.ToString());
+            sb.Append(RightBorderColor);
             sb.Append("-");
             sb.Append(TopBorder.ToString());
             sb.Append("-");
-            sb.Append(TopBorderColor.ToString());
+            sb.Append(TopBorderColor);
             sb.Append("-");
             sb.Append(BottomBorder.ToString());
             sb.Append("-");
-            sb.Append(BottomBorderColor.ToString());
+            sb.Append(BottomBorderColor);
             sb.Append("-");
             sb.Append(DiagonalBorder.ToString());
             sb.Append("-");
-            sb.Append(DiagonalBorderColor.ToString());
+            sb.Append(DiagonalBorderColor);
             sb.Append("-");
             sb.Append(DiagonalUp.ToString());
             sb.Append("-");
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFill.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFill.cs
index ea9c69c..6bf42b4 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFill.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFill.cs
@@ -146,11 +146,11 @@
         public override string ToString()
         {
             var sb = new StringBuilder();
-            sb.Append(BackgroundColor.ToString());
+            sb.Append(BackgroundColor);
             sb.Append("-");
             sb.Append(PatternType.ToString());
             sb.Append("-");
-            sb.Append(PatternColor.ToString());
+            sb.Append(PatternColor);
             return sb.ToString();
         }
 
diff --git a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFont.cs b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFont.cs
index 9d86ca6..c18a2b6 100644
--- a/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFont.cs
+++ b/ClosedXML/ClosedXML/ClosedXML/Excel/Style/XLFont.cs
@@ -305,7 +305,7 @@
             sb.Append("-");
             sb.Append(FontSize.ToString());
             sb.Append("-");
-            sb.Append(FontColor.Color.ToHex());
+            sb.Append(FontColor);
             sb.Append("-");
             sb.Append(FontName);
             sb.Append("-");